Home / 53,976.12-74,475.06-31,318.92

Finding the Fourth Proportional to 53,976.12, 74,475.06 and 31,318.92

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Solution

The fourth proportional to 53,976.12, 74,475.06 and 31,318.92 is: 43,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.12 : 74,475.06 = 31,318.92 : x
  2. Step 2: Convert to fraction form
    53,976.12/74,475.06 = 31,318.92/x
  3. Step 3: Cross multiply
    53,976.12x = 74,475.06 × 31,318.92
  4. Step 4: Simplify right side
    53,976.12x = 2,332,478,446.14
  5. Step 5: Solve for x
    x = 2,332,478,446.14/53,976.12
  6. Step 6: Final answer
    x = 43,213.16

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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.