Home / 45,349.68-68,047.56-20,384.70

Finding the Fourth Proportional to 45,349.68, 68,047.56 and 20,384.70

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Solution

The fourth proportional to 45,349.68, 68,047.56 and 20,384.70 is: 30,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.68 : 68,047.56 = 20,384.70 : x
  2. Step 2: Convert to fraction form
    45,349.68/68,047.56 = 20,384.70/x
  3. Step 3: Cross multiply
    45,349.68x = 68,047.56 × 20,384.70
  4. Step 4: Simplify right side
    45,349.68x = 1,387,129,096.33
  5. Step 5: Solve for x
    x = 1,387,129,096.33/45,349.68
  6. Step 6: Final answer
    x = 30,587.41

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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.