Home / 42,023.20-62,966.76-19,783.84

Finding the Fourth Proportional to 42,023.20, 62,966.76 and 19,783.84

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Solution

The fourth proportional to 42,023.20, 62,966.76 and 19,783.84 is: 29,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.20 : 62,966.76 = 19,783.84 : x
  2. Step 2: Convert to fraction form
    42,023.20/62,966.76 = 19,783.84/x
  3. Step 3: Cross multiply
    42,023.20x = 62,966.76 × 19,783.84
  4. Step 4: Simplify right side
    42,023.20x = 1,245,724,305.16
  5. Step 5: Solve for x
    x = 1,245,724,305.16/42,023.20
  6. Step 6: Final answer
    x = 29,643.73

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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.