Home / 31,348.94-47,023.20-7,975.16

Finding the Fourth Proportional to 31,348.94, 47,023.20 and 7,975.16

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Solution

The fourth proportional to 31,348.94, 47,023.20 and 7,975.16 is: 11,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.94 : 47,023.20 = 7,975.16 : x
  2. Step 2: Convert to fraction form
    31,348.94/47,023.20 = 7,975.16/x
  3. Step 3: Cross multiply
    31,348.94x = 47,023.20 × 7,975.16
  4. Step 4: Simplify right side
    31,348.94x = 375,017,543.71
  5. Step 5: Solve for x
    x = 375,017,543.71/31,348.94
  6. Step 6: Final answer
    x = 11,962.69

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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.