Home / 48,623.76-72,964.53-20,921.76

Finding the Fourth Proportional to 48,623.76, 72,964.53 and 20,921.76

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Solution

The fourth proportional to 48,623.76, 72,964.53 and 20,921.76 is: 31,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.76 : 72,964.53 = 20,921.76 : x
  2. Step 2: Convert to fraction form
    48,623.76/72,964.53 = 20,921.76/x
  3. Step 3: Cross multiply
    48,623.76x = 72,964.53 × 20,921.76
  4. Step 4: Simplify right side
    48,623.76x = 1,526,546,385.17
  5. Step 5: Solve for x
    x = 1,526,546,385.17/48,623.76
  6. Step 6: Final answer
    x = 31,395.07

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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.