Home / 42,219.66-63,346.50-15,931.92

Finding the Fourth Proportional to 42,219.66, 63,346.50 and 15,931.92

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Solution

The fourth proportional to 42,219.66, 63,346.50 and 15,931.92 is: 23,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.66 : 63,346.50 = 15,931.92 : x
  2. Step 2: Convert to fraction form
    42,219.66/63,346.50 = 15,931.92/x
  3. Step 3: Cross multiply
    42,219.66x = 63,346.50 × 15,931.92
  4. Step 4: Simplify right side
    42,219.66x = 1,009,231,370.28
  5. Step 5: Solve for x
    x = 1,009,231,370.28/42,219.66
  6. Step 6: Final answer
    x = 23,904.30

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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.