Home / 42,229.04-63,325.74-12,651.08

Finding the Fourth Proportional to 42,229.04, 63,325.74 and 12,651.08

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Solution

The fourth proportional to 42,229.04, 63,325.74 and 12,651.08 is: 18,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,229.04 : 63,325.74 = 12,651.08 : x
  2. Step 2: Convert to fraction form
    42,229.04/63,325.74 = 12,651.08/x
  3. Step 3: Cross multiply
    42,229.04x = 63,325.74 × 12,651.08
  4. Step 4: Simplify right side
    42,229.04x = 801,139,002.80
  5. Step 5: Solve for x
    x = 801,139,002.80/42,229.04
  6. Step 6: Final answer
    x = 18,971.28

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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.