Home / 62,109.20-93,135.12-19,981.44

Finding the Fourth Proportional to 62,109.20, 93,135.12 and 19,981.44

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Solution

The fourth proportional to 62,109.20, 93,135.12 and 19,981.44 is: 29,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,109.20 : 93,135.12 = 19,981.44 : x
  2. Step 2: Convert to fraction form
    62,109.20/93,135.12 = 19,981.44/x
  3. Step 3: Cross multiply
    62,109.20x = 93,135.12 × 19,981.44
  4. Step 4: Simplify right side
    62,109.20x = 1,860,973,812.17
  5. Step 5: Solve for x
    x = 1,860,973,812.17/62,109.20
  6. Step 6: Final answer
    x = 29,962.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.