Home / 31,060.98-42,865.08-22,002.57

Finding the Fourth Proportional to 31,060.98, 42,865.08 and 22,002.57

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Solution

The fourth proportional to 31,060.98, 42,865.08 and 22,002.57 is: 30,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,060.98 : 42,865.08 = 22,002.57 : x
  2. Step 2: Convert to fraction form
    31,060.98/42,865.08 = 22,002.57/x
  3. Step 3: Cross multiply
    31,060.98x = 42,865.08 × 22,002.57
  4. Step 4: Simplify right side
    31,060.98x = 943,141,923.26
  5. Step 5: Solve for x
    x = 943,141,923.26/31,060.98
  6. Step 6: Final answer
    x = 30,364.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.