Home / 47,428.02-71,154.99-19,330.74

Finding the Fourth Proportional to 47,428.02, 71,154.99 and 19,330.74

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Solution

The fourth proportional to 47,428.02, 71,154.99 and 19,330.74 is: 29,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,428.02 : 71,154.99 = 19,330.74 : x
  2. Step 2: Convert to fraction form
    47,428.02/71,154.99 = 19,330.74/x
  3. Step 3: Cross multiply
    47,428.02x = 71,154.99 × 19,330.74
  4. Step 4: Simplify right side
    47,428.02x = 1,375,478,611.39
  5. Step 5: Solve for x
    x = 1,375,478,611.39/47,428.02
  6. Step 6: Final answer
    x = 29,001.39

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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.