Home / 31,370.28-47,013.88-23,011.15

Finding the Fourth Proportional to 31,370.28, 47,013.88 and 23,011.15

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Solution

The fourth proportional to 31,370.28, 47,013.88 and 23,011.15 is: 34,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.28 : 47,013.88 = 23,011.15 : x
  2. Step 2: Convert to fraction form
    31,370.28/47,013.88 = 23,011.15/x
  3. Step 3: Cross multiply
    31,370.28x = 47,013.88 × 23,011.15
  4. Step 4: Simplify right side
    31,370.28x = 1,081,843,444.76
  5. Step 5: Solve for x
    x = 1,081,843,444.76/31,370.28
  6. Step 6: Final answer
    x = 34,486.25

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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.