Home / 57,930.04-86,888.17-15,813.55

Finding the Fourth Proportional to 57,930.04, 86,888.17 and 15,813.55

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Solution

The fourth proportional to 57,930.04, 86,888.17 and 15,813.55 is: 23,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.04 : 86,888.17 = 15,813.55 : x
  2. Step 2: Convert to fraction form
    57,930.04/86,888.17 = 15,813.55/x
  3. Step 3: Cross multiply
    57,930.04x = 86,888.17 × 15,813.55
  4. Step 4: Simplify right side
    57,930.04x = 1,374,010,420.70
  5. Step 5: Solve for x
    x = 1,374,010,420.70/57,930.04
  6. Step 6: Final answer
    x = 23,718.44

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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.