Home / 31,802.16-47,680.20-16,207.92

Finding the Fourth Proportional to 31,802.16, 47,680.20 and 16,207.92

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Solution

The fourth proportional to 31,802.16, 47,680.20 and 16,207.92 is: 24,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.16 : 47,680.20 = 16,207.92 : x
  2. Step 2: Convert to fraction form
    31,802.16/47,680.20 = 16,207.92/x
  3. Step 3: Cross multiply
    31,802.16x = 47,680.20 × 16,207.92
  4. Step 4: Simplify right side
    31,802.16x = 772,796,867.18
  5. Step 5: Solve for x
    x = 772,796,867.18/31,802.16
  6. Step 6: Final answer
    x = 24,300.14

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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.