Home / 45,740.34-63,143.28-34,414.20

Finding the Fourth Proportional to 45,740.34, 63,143.28 and 34,414.20

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Solution

The fourth proportional to 45,740.34, 63,143.28 and 34,414.20 is: 47,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.34 : 63,143.28 = 34,414.20 : x
  2. Step 2: Convert to fraction form
    45,740.34/63,143.28 = 34,414.20/x
  3. Step 3: Cross multiply
    45,740.34x = 63,143.28 × 34,414.20
  4. Step 4: Simplify right side
    45,740.34x = 2,173,025,466.58
  5. Step 5: Solve for x
    x = 2,173,025,466.58/45,740.34
  6. Step 6: Final answer
    x = 47,507.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.