Home / 42,262.68-63,394.74-15,979.80

Finding the Fourth Proportional to 42,262.68, 63,394.74 and 15,979.80

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Solution

The fourth proportional to 42,262.68, 63,394.74 and 15,979.80 is: 23,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,262.68 : 63,394.74 = 15,979.80 : x
  2. Step 2: Convert to fraction form
    42,262.68/63,394.74 = 15,979.80/x
  3. Step 3: Cross multiply
    42,262.68x = 63,394.74 × 15,979.80
  4. Step 4: Simplify right side
    42,262.68x = 1,013,035,266.25
  5. Step 5: Solve for x
    x = 1,013,035,266.25/42,262.68
  6. Step 6: Final answer
    x = 23,969.97

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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.