Home / 55,937.90-77,196.04-30,446.12

Finding the Fourth Proportional to 55,937.90, 77,196.04 and 30,446.12

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Solution

The fourth proportional to 55,937.90, 77,196.04 and 30,446.12 is: 42,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,937.90 : 77,196.04 = 30,446.12 : x
  2. Step 2: Convert to fraction form
    55,937.90/77,196.04 = 30,446.12/x
  3. Step 3: Cross multiply
    55,937.90x = 77,196.04 × 30,446.12
  4. Step 4: Simplify right side
    55,937.90x = 2,350,319,897.36
  5. Step 5: Solve for x
    x = 2,350,319,897.36/55,937.90
  6. Step 6: Final answer
    x = 42,016.59

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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.