Home / 42,431.93-63,550.95-20,260.84

Finding the Fourth Proportional to 42,431.93, 63,550.95 and 20,260.84

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Solution

The fourth proportional to 42,431.93, 63,550.95 and 20,260.84 is: 30,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.93 : 63,550.95 = 20,260.84 : x
  2. Step 2: Convert to fraction form
    42,431.93/63,550.95 = 20,260.84/x
  3. Step 3: Cross multiply
    42,431.93x = 63,550.95 × 20,260.84
  4. Step 4: Simplify right side
    42,431.93x = 1,287,595,470.92
  5. Step 5: Solve for x
    x = 1,287,595,470.92/42,431.93
  6. Step 6: Final answer
    x = 30,344.96

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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.