Home / 47,623.80-71,460-19,565.40

Finding the Fourth Proportional to 47,623.80, 71,460 and 19,565.40

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Solution

The fourth proportional to 47,623.80, 71,460 and 19,565.40 is: 29,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.80 : 71,460 = 19,565.40 : x
  2. Step 2: Convert to fraction form
    47,623.80/71,460 = 19,565.40/x
  3. Step 3: Cross multiply
    47,623.80x = 71,460 × 19,565.40
  4. Step 4: Simplify right side
    47,623.80x = 1,398,143,484
  5. Step 5: Solve for x
    x = 1,398,143,484/47,623.80
  6. Step 6: Final answer
    x = 29,358.08

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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.