Home / 48,258.72-72,349.92-31,356

Finding the Fourth Proportional to 48,258.72, 72,349.92 and 31,356

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Solution

The fourth proportional to 48,258.72, 72,349.92 and 31,356 is: 47,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,258.72 : 72,349.92 = 31,356 : x
  2. Step 2: Convert to fraction form
    48,258.72/72,349.92 = 31,356/x
  3. Step 3: Cross multiply
    48,258.72x = 72,349.92 × 31,356
  4. Step 4: Simplify right side
    48,258.72x = 2,268,604,091.52
  5. Step 5: Solve for x
    x = 2,268,604,091.52/48,258.72
  6. Step 6: Final answer
    x = 47,009.21

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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.