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Finding the Fourth Proportional to 60,029.08, 90,048.17 and 17,905.86

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Solution

The fourth proportional to 60,029.08, 90,048.17 and 17,905.86 is: 26,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,029.08 : 90,048.17 = 17,905.86 : x
  2. Step 2: Convert to fraction form
    60,029.08/90,048.17 = 17,905.86/x
  3. Step 3: Cross multiply
    60,029.08x = 90,048.17 × 17,905.86
  4. Step 4: Simplify right side
    60,029.08x = 1,612,389,925.28
  5. Step 5: Solve for x
    x = 1,612,389,925.28/60,029.08
  6. Step 6: Final answer
    x = 26,860.15

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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.