Home / 47,058.48-70,544.40-20,387.71

Finding the Fourth Proportional to 47,058.48, 70,544.40 and 20,387.71

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Solution

The fourth proportional to 47,058.48, 70,544.40 and 20,387.71 is: 30,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,058.48 : 70,544.40 = 20,387.71 : x
  2. Step 2: Convert to fraction form
    47,058.48/70,544.40 = 20,387.71/x
  3. Step 3: Cross multiply
    47,058.48x = 70,544.40 × 20,387.71
  4. Step 4: Simplify right side
    47,058.48x = 1,438,238,769.32
  5. Step 5: Solve for x
    x = 1,438,238,769.32/47,058.48
  6. Step 6: Final answer
    x = 30,562.80

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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.