Home / 42,291.81-63,432.20-15,993.14

Finding the Fourth Proportional to 42,291.81, 63,432.20 and 15,993.14

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Solution

The fourth proportional to 42,291.81, 63,432.20 and 15,993.14 is: 23,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.81 : 63,432.20 = 15,993.14 : x
  2. Step 2: Convert to fraction form
    42,291.81/63,432.20 = 15,993.14/x
  3. Step 3: Cross multiply
    42,291.81x = 63,432.20 × 15,993.14
  4. Step 4: Simplify right side
    42,291.81x = 1,014,479,657.98
  5. Step 5: Solve for x
    x = 1,014,479,657.98/42,291.81
  6. Step 6: Final answer
    x = 23,987.62

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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.