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Finding the Fourth Proportional to 40,435.52, 60,552 and 25,599.68

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Solution

The fourth proportional to 40,435.52, 60,552 and 25,599.68 is: 38,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.52 : 60,552 = 25,599.68 : x
  2. Step 2: Convert to fraction form
    40,435.52/60,552 = 25,599.68/x
  3. Step 3: Cross multiply
    40,435.52x = 60,552 × 25,599.68
  4. Step 4: Simplify right side
    40,435.52x = 1,550,111,823.36
  5. Step 5: Solve for x
    x = 1,550,111,823.36/40,435.52
  6. Step 6: Final answer
    x = 38,335.40

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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.