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Finding the Fourth Proportional to 48,443.59, 72,667.01 and 12,904.57

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Solution

The fourth proportional to 48,443.59, 72,667.01 and 12,904.57 is: 19,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.59 : 72,667.01 = 12,904.57 : x
  2. Step 2: Convert to fraction form
    48,443.59/72,667.01 = 12,904.57/x
  3. Step 3: Cross multiply
    48,443.59x = 72,667.01 × 12,904.57
  4. Step 4: Simplify right side
    48,443.59x = 937,736,517.24
  5. Step 5: Solve for x
    x = 937,736,517.24/48,443.59
  6. Step 6: Final answer
    x = 19,357.29

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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.