Home / 42,290.10-63,349.03-20,036.02

Finding the Fourth Proportional to 42,290.10, 63,349.03 and 20,036.02

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Solution

The fourth proportional to 42,290.10, 63,349.03 and 20,036.02 is: 30,013.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290.10 : 63,349.03 = 20,036.02 : x
  2. Step 2: Convert to fraction form
    42,290.10/63,349.03 = 20,036.02/x
  3. Step 3: Cross multiply
    42,290.10x = 63,349.03 × 20,036.02
  4. Step 4: Simplify right side
    42,290.10x = 1,269,262,432.06
  5. Step 5: Solve for x
    x = 1,269,262,432.06/42,290.10
  6. Step 6: Final answer
    x = 30,013.23

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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.