Home / 63,154.95-94,711.92-21,023.72

Finding the Fourth Proportional to 63,154.95, 94,711.92 and 21,023.72

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Solution

The fourth proportional to 63,154.95, 94,711.92 and 21,023.72 is: 31,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.95 : 94,711.92 = 21,023.72 : x
  2. Step 2: Convert to fraction form
    63,154.95/94,711.92 = 21,023.72/x
  3. Step 3: Cross multiply
    63,154.95x = 94,711.92 × 21,023.72
  4. Step 4: Simplify right side
    63,154.95x = 1,991,196,413.18
  5. Step 5: Solve for x
    x = 1,991,196,413.18/63,154.95
  6. Step 6: Final answer
    x = 31,528.75

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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.