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Finding the Fourth Proportional to 48,352, 72,639.18 and 34,346.08

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Solution

The fourth proportional to 48,352, 72,639.18 and 34,346.08 is: 51,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,352 : 72,639.18 = 34,346.08 : x
  2. Step 2: Convert to fraction form
    48,352/72,639.18 = 34,346.08/x
  3. Step 3: Cross multiply
    48,352x = 72,639.18 × 34,346.08
  4. Step 4: Simplify right side
    48,352x = 2,494,871,087.41
  5. Step 5: Solve for x
    x = 2,494,871,087.41/48,352
  6. Step 6: Final answer
    x = 51,598.09

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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.