Home / 47,530.48-71,281.32-19,822

Finding the Fourth Proportional to 47,530.48, 71,281.32 and 19,822

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Solution

The fourth proportional to 47,530.48, 71,281.32 and 19,822 is: 29,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,530.48 : 71,281.32 = 19,822 : x
  2. Step 2: Convert to fraction form
    47,530.48/71,281.32 = 19,822/x
  3. Step 3: Cross multiply
    47,530.48x = 71,281.32 × 19,822
  4. Step 4: Simplify right side
    47,530.48x = 1,412,938,325.04
  5. Step 5: Solve for x
    x = 1,412,938,325.04/47,530.48
  6. Step 6: Final answer
    x = 29,726.99

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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.