Home / 29,111.04-43,666.56-19,312.92

Finding the Fourth Proportional to 29,111.04, 43,666.56 and 19,312.92

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Solution

The fourth proportional to 29,111.04, 43,666.56 and 19,312.92 is: 28,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.04 : 43,666.56 = 19,312.92 : x
  2. Step 2: Convert to fraction form
    29,111.04/43,666.56 = 19,312.92/x
  3. Step 3: Cross multiply
    29,111.04x = 43,666.56 × 19,312.92
  4. Step 4: Simplify right side
    29,111.04x = 843,328,779.96
  5. Step 5: Solve for x
    x = 843,328,779.96/29,111.04
  6. Step 6: Final answer
    x = 28,969.38

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.