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Finding the Fourth Proportional to 45,238.04, 67,856.04 and 15,654.08

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Solution

The fourth proportional to 45,238.04, 67,856.04 and 15,654.08 is: 23,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238.04 : 67,856.04 = 15,654.08 : x
  2. Step 2: Convert to fraction form
    45,238.04/67,856.04 = 15,654.08/x
  3. Step 3: Cross multiply
    45,238.04x = 67,856.04 × 15,654.08
  4. Step 4: Simplify right side
    45,238.04x = 1,062,223,878.64
  5. Step 5: Solve for x
    x = 1,062,223,878.64/45,238.04
  6. Step 6: Final answer
    x = 23,480.77

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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.