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Finding the Fourth Proportional to 48,603.92, 72,639.56 and 35,483.92

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Solution

The fourth proportional to 48,603.92, 72,639.56 and 35,483.92 is: 53,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,603.92 : 72,639.56 = 35,483.92 : x
  2. Step 2: Convert to fraction form
    48,603.92/72,639.56 = 35,483.92/x
  3. Step 3: Cross multiply
    48,603.92x = 72,639.56 × 35,483.92
  4. Step 4: Simplify right side
    48,603.92x = 2,577,536,335.88
  5. Step 5: Solve for x
    x = 2,577,536,335.88/48,603.92
  6. Step 6: Final answer
    x = 53,031.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.