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Finding the Fourth Proportional to 45,294.59, 67,915.06 and 13,695.08

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Solution

The fourth proportional to 45,294.59, 67,915.06 and 13,695.08 is: 20,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.59 : 67,915.06 = 13,695.08 : x
  2. Step 2: Convert to fraction form
    45,294.59/67,915.06 = 13,695.08/x
  3. Step 3: Cross multiply
    45,294.59x = 67,915.06 × 13,695.08
  4. Step 4: Simplify right side
    45,294.59x = 930,101,806.09
  5. Step 5: Solve for x
    x = 930,101,806.09/45,294.59
  6. Step 6: Final answer
    x = 20,534.50

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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.