Home / 29,688.09-40,949.87-19,091.13

Finding the Fourth Proportional to 29,688.09, 40,949.87 and 19,091.13

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Solution

The fourth proportional to 29,688.09, 40,949.87 and 19,091.13 is: 26,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.09 : 40,949.87 = 19,091.13 : x
  2. Step 2: Convert to fraction form
    29,688.09/40,949.87 = 19,091.13/x
  3. Step 3: Cross multiply
    29,688.09x = 40,949.87 × 19,091.13
  4. Step 4: Simplify right side
    29,688.09x = 781,779,196.20
  5. Step 5: Solve for x
    x = 781,779,196.20/29,688.09
  6. Step 6: Final answer
    x = 26,333.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.