Home / 53,742.62-74,158.91-31,078.17

Finding the Fourth Proportional to 53,742.62, 74,158.91 and 31,078.17

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Solution

The fourth proportional to 53,742.62, 74,158.91 and 31,078.17 is: 42,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.62 : 74,158.91 = 31,078.17 : x
  2. Step 2: Convert to fraction form
    53,742.62/74,158.91 = 31,078.17/x
  3. Step 3: Cross multiply
    53,742.62x = 74,158.91 × 31,078.17
  4. Step 4: Simplify right side
    53,742.62x = 2,304,723,056.60
  5. Step 5: Solve for x
    x = 2,304,723,056.60/53,742.62
  6. Step 6: Final answer
    x = 42,884.46

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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.