Home / 31,548.06-47,275.35-12,805.29

Finding the Fourth Proportional to 31,548.06, 47,275.35 and 12,805.29

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Solution

The fourth proportional to 31,548.06, 47,275.35 and 12,805.29 is: 19,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.06 : 47,275.35 = 12,805.29 : x
  2. Step 2: Convert to fraction form
    31,548.06/47,275.35 = 12,805.29/x
  3. Step 3: Cross multiply
    31,548.06x = 47,275.35 × 12,805.29
  4. Step 4: Simplify right side
    31,548.06x = 605,374,695.86
  5. Step 5: Solve for x
    x = 605,374,695.86/31,548.06
  6. Step 6: Final answer
    x = 19,188.97

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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.