Home / 31,326.18-47,047.59-28,721.22

Finding the Fourth Proportional to 31,326.18, 47,047.59 and 28,721.22

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Solution

The fourth proportional to 31,326.18, 47,047.59 and 28,721.22 is: 43,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.18 : 47,047.59 = 28,721.22 : x
  2. Step 2: Convert to fraction form
    31,326.18/47,047.59 = 28,721.22/x
  3. Step 3: Cross multiply
    31,326.18x = 47,047.59 × 28,721.22
  4. Step 4: Simplify right side
    31,326.18x = 1,351,264,182.86
  5. Step 5: Solve for x
    x = 1,351,264,182.86/31,326.18
  6. Step 6: Final answer
    x = 43,135.30

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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.