Home / 42,289.56-63,368.40-15,979.92

Finding the Fourth Proportional to 42,289.56, 63,368.40 and 15,979.92

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Solution

The fourth proportional to 42,289.56, 63,368.40 and 15,979.92 is: 23,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.56 : 63,368.40 = 15,979.92 : x
  2. Step 2: Convert to fraction form
    42,289.56/63,368.40 = 15,979.92/x
  3. Step 3: Cross multiply
    42,289.56x = 63,368.40 × 15,979.92
  4. Step 4: Simplify right side
    42,289.56x = 1,012,621,962.53
  5. Step 5: Solve for x
    x = 1,012,621,962.53/42,289.56
  6. Step 6: Final answer
    x = 23,944.96

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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.