Home / 65,386.72-90,242.13-37,101.52

Finding the Fourth Proportional to 65,386.72, 90,242.13 and 37,101.52

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Solution

The fourth proportional to 65,386.72, 90,242.13 and 37,101.52 is: 51,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,386.72 : 90,242.13 = 37,101.52 : x
  2. Step 2: Convert to fraction form
    65,386.72/90,242.13 = 37,101.52/x
  3. Step 3: Cross multiply
    65,386.72x = 90,242.13 × 37,101.52
  4. Step 4: Simplify right side
    65,386.72x = 3,348,120,191.04
  5. Step 5: Solve for x
    x = 3,348,120,191.04/65,386.72
  6. Step 6: Final answer
    x = 51,204.90

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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.