Home / 61,172.66-84,444.18-37,307.90

Finding the Fourth Proportional to 61,172.66, 84,444.18 and 37,307.90

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Solution

The fourth proportional to 61,172.66, 84,444.18 and 37,307.90 is: 51,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172.66 : 84,444.18 = 37,307.90 : x
  2. Step 2: Convert to fraction form
    61,172.66/84,444.18 = 37,307.90/x
  3. Step 3: Cross multiply
    61,172.66x = 84,444.18 × 37,307.90
  4. Step 4: Simplify right side
    61,172.66x = 3,150,435,023.02
  5. Step 5: Solve for x
    x = 3,150,435,023.02/61,172.66
  6. Step 6: Final answer
    x = 51,500.70

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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.