Home / 42,267.40-63,413.10-21,182.02

Finding the Fourth Proportional to 42,267.40, 63,413.10 and 21,182.02

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Solution

The fourth proportional to 42,267.40, 63,413.10 and 21,182.02 is: 31,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,267.40 : 63,413.10 = 21,182.02 : x
  2. Step 2: Convert to fraction form
    42,267.40/63,413.10 = 21,182.02/x
  3. Step 3: Cross multiply
    42,267.40x = 63,413.10 × 21,182.02
  4. Step 4: Simplify right side
    42,267.40x = 1,343,217,552.46
  5. Step 5: Solve for x
    x = 1,343,217,552.46/42,267.40
  6. Step 6: Final answer
    x = 31,779.04

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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.