Home / 31,541.16-47,311.20-14,909.16

Finding the Fourth Proportional to 31,541.16, 47,311.20 and 14,909.16

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Solution

The fourth proportional to 31,541.16, 47,311.20 and 14,909.16 is: 22,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.16 : 47,311.20 = 14,909.16 : x
  2. Step 2: Convert to fraction form
    31,541.16/47,311.20 = 14,909.16/x
  3. Step 3: Cross multiply
    31,541.16x = 47,311.20 × 14,909.16
  4. Step 4: Simplify right side
    31,541.16x = 705,370,250.59
  5. Step 5: Solve for x
    x = 705,370,250.59/31,541.16
  6. Step 6: Final answer
    x = 22,363.48

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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.