Home / 42,014.90-63,034.60-12,433.52

Finding the Fourth Proportional to 42,014.90, 63,034.60 and 12,433.52

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Solution

The fourth proportional to 42,014.90, 63,034.60 and 12,433.52 is: 18,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.90 : 63,034.60 = 12,433.52 : x
  2. Step 2: Convert to fraction form
    42,014.90/63,034.60 = 12,433.52/x
  3. Step 3: Cross multiply
    42,014.90x = 63,034.60 × 12,433.52
  4. Step 4: Simplify right side
    42,014.90x = 783,741,959.79
  5. Step 5: Solve for x
    x = 783,741,959.79/42,014.90
  6. Step 6: Final answer
    x = 18,653.91

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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.