Home / 38,666.10-57,999.15-34,259.70

Finding the Fourth Proportional to 38,666.10, 57,999.15 and 34,259.70

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Solution

The fourth proportional to 38,666.10, 57,999.15 and 34,259.70 is: 51,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.10 : 57,999.15 = 34,259.70 : x
  2. Step 2: Convert to fraction form
    38,666.10/57,999.15 = 34,259.70/x
  3. Step 3: Cross multiply
    38,666.10x = 57,999.15 × 34,259.70
  4. Step 4: Simplify right side
    38,666.10x = 1,987,033,479.26
  5. Step 5: Solve for x
    x = 1,987,033,479.26/38,666.10
  6. Step 6: Final answer
    x = 51,389.55

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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.