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Finding the Fourth Proportional to 58,281.49, 80,425.52 and 34,403.55

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Solution

The fourth proportional to 58,281.49, 80,425.52 and 34,403.55 is: 47,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.49 : 80,425.52 = 34,403.55 : x
  2. Step 2: Convert to fraction form
    58,281.49/80,425.52 = 34,403.55/x
  3. Step 3: Cross multiply
    58,281.49x = 80,425.52 × 34,403.55
  4. Step 4: Simplify right side
    58,281.49x = 2,766,923,054.00
  5. Step 5: Solve for x
    x = 2,766,923,054.00/58,281.49
  6. Step 6: Final answer
    x = 47,475.16

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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.