Home / 31,788.97-47,681.34-13,064.16

Finding the Fourth Proportional to 31,788.97, 47,681.34 and 13,064.16

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Solution

The fourth proportional to 31,788.97, 47,681.34 and 13,064.16 is: 19,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.97 : 47,681.34 = 13,064.16 : x
  2. Step 2: Convert to fraction form
    31,788.97/47,681.34 = 13,064.16/x
  3. Step 3: Cross multiply
    31,788.97x = 47,681.34 × 13,064.16
  4. Step 4: Simplify right side
    31,788.97x = 622,916,654.77
  5. Step 5: Solve for x
    x = 622,916,654.77/31,788.97
  6. Step 6: Final answer
    x = 19,595.37

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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.