Home / 48,614.32-72,921.81-13,554.28

Finding the Fourth Proportional to 48,614.32, 72,921.81 and 13,554.28

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Solution

The fourth proportional to 48,614.32, 72,921.81 and 13,554.28 is: 20,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.32 : 72,921.81 = 13,554.28 : x
  2. Step 2: Convert to fraction form
    48,614.32/72,921.81 = 13,554.28/x
  3. Step 3: Cross multiply
    48,614.32x = 72,921.81 × 13,554.28
  4. Step 4: Simplify right side
    48,614.32x = 988,402,630.85
  5. Step 5: Solve for x
    x = 988,402,630.85/48,614.32
  6. Step 6: Final answer
    x = 20,331.51

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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.