Home / 48,439.34-72,669.54-20,343.38

Finding the Fourth Proportional to 48,439.34, 72,669.54 and 20,343.38

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Solution

The fourth proportional to 48,439.34, 72,669.54 and 20,343.38 is: 30,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.34 : 72,669.54 = 20,343.38 : x
  2. Step 2: Convert to fraction form
    48,439.34/72,669.54 = 20,343.38/x
  3. Step 3: Cross multiply
    48,439.34x = 72,669.54 × 20,343.38
  4. Step 4: Simplify right side
    48,439.34x = 1,478,343,703.30
  5. Step 5: Solve for x
    x = 1,478,343,703.30/48,439.34
  6. Step 6: Final answer
    x = 30,519.49

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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.