Home / 42,274.68-63,413.62-18,901.32

Finding the Fourth Proportional to 42,274.68, 63,413.62 and 18,901.32

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Solution

The fourth proportional to 42,274.68, 63,413.62 and 18,901.32 is: 28,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,274.68 : 63,413.62 = 18,901.32 : x
  2. Step 2: Convert to fraction form
    42,274.68/63,413.62 = 18,901.32/x
  3. Step 3: Cross multiply
    42,274.68x = 63,413.62 × 18,901.32
  4. Step 4: Simplify right side
    42,274.68x = 1,198,601,123.98
  5. Step 5: Solve for x
    x = 1,198,601,123.98/42,274.68
  6. Step 6: Final answer
    x = 28,352.70

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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.