Home / 33,111.10-49,666.65-19,114.30

Finding the Fourth Proportional to 33,111.10, 49,666.65 and 19,114.30

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Solution

The fourth proportional to 33,111.10, 49,666.65 and 19,114.30 is: 28,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.10 : 49,666.65 = 19,114.30 : x
  2. Step 2: Convert to fraction form
    33,111.10/49,666.65 = 19,114.30/x
  3. Step 3: Cross multiply
    33,111.10x = 49,666.65 × 19,114.30
  4. Step 4: Simplify right side
    33,111.10x = 949,343,248.10
  5. Step 5: Solve for x
    x = 949,343,248.10/33,111.10
  6. Step 6: Final answer
    x = 28,671.45

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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.