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Finding the Fourth Proportional to 110,048.32, 165,024.40 and 38,947.32

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Solution

The fourth proportional to 110,048.32, 165,024.40 and 38,947.32 is: 58,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.32 : 165,024.40 = 38,947.32 : x
  2. Step 2: Convert to fraction form
    110,048.32/165,024.40 = 38,947.32/x
  3. Step 3: Cross multiply
    110,048.32x = 165,024.40 × 38,947.32
  4. Step 4: Simplify right side
    110,048.32x = 6,427,258,114.61
  5. Step 5: Solve for x
    x = 6,427,258,114.61/110,048.32
  6. Step 6: Final answer
    x = 58,403.97

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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.