Home / 65,617.04-90,534.12-37,318.16

Finding the Fourth Proportional to 65,617.04, 90,534.12 and 37,318.16

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Solution

The fourth proportional to 65,617.04, 90,534.12 and 37,318.16 is: 51,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.04 : 90,534.12 = 37,318.16 : x
  2. Step 2: Convert to fraction form
    65,617.04/90,534.12 = 37,318.16/x
  3. Step 3: Cross multiply
    65,617.04x = 90,534.12 × 37,318.16
  4. Step 4: Simplify right side
    65,617.04x = 3,378,566,775.62
  5. Step 5: Solve for x
    x = 3,378,566,775.62/65,617.04
  6. Step 6: Final answer
    x = 51,489.17

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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.