Home / 47,921.65-71,882.49-21,595.63

Finding the Fourth Proportional to 47,921.65, 71,882.49 and 21,595.63

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Solution

The fourth proportional to 47,921.65, 71,882.49 and 21,595.63 is: 32,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.65 : 71,882.49 = 21,595.63 : x
  2. Step 2: Convert to fraction form
    47,921.65/71,882.49 = 21,595.63/x
  3. Step 3: Cross multiply
    47,921.65x = 71,882.49 × 21,595.63
  4. Step 4: Simplify right side
    47,921.65x = 1,552,347,657.52
  5. Step 5: Solve for x
    x = 1,552,347,657.52/47,921.65
  6. Step 6: Final answer
    x = 32,393.45

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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.