Home / 48,318.56-72,475.44-13,258.40

Finding the Fourth Proportional to 48,318.56, 72,475.44 and 13,258.40

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Solution

The fourth proportional to 48,318.56, 72,475.44 and 13,258.40 is: 19,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,318.56 : 72,475.44 = 13,258.40 : x
  2. Step 2: Convert to fraction form
    48,318.56/72,475.44 = 13,258.40/x
  3. Step 3: Cross multiply
    48,318.56x = 72,475.44 × 13,258.40
  4. Step 4: Simplify right side
    48,318.56x = 960,908,373.70
  5. Step 5: Solve for x
    x = 960,908,373.70/48,318.56
  6. Step 6: Final answer
    x = 19,886.94

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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.