Home / 47,497.76-71,220.30-19,437.50

Finding the Fourth Proportional to 47,497.76, 71,220.30 and 19,437.50

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Solution

The fourth proportional to 47,497.76, 71,220.30 and 19,437.50 is: 29,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,497.76 : 71,220.30 = 19,437.50 : x
  2. Step 2: Convert to fraction form
    47,497.76/71,220.30 = 19,437.50/x
  3. Step 3: Cross multiply
    47,497.76x = 71,220.30 × 19,437.50
  4. Step 4: Simplify right side
    47,497.76x = 1,384,344,581.25
  5. Step 5: Solve for x
    x = 1,384,344,581.25/47,497.76
  6. Step 6: Final answer
    x = 29,145.47

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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.