Home / 31,670.32-47,521.68-12,964.18

Finding the Fourth Proportional to 31,670.32, 47,521.68 and 12,964.18

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Solution

The fourth proportional to 31,670.32, 47,521.68 and 12,964.18 is: 19,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.32 : 47,521.68 = 12,964.18 : x
  2. Step 2: Convert to fraction form
    31,670.32/47,521.68 = 12,964.18/x
  3. Step 3: Cross multiply
    31,670.32x = 47,521.68 × 12,964.18
  4. Step 4: Simplify right side
    31,670.32x = 616,079,613.42
  5. Step 5: Solve for x
    x = 616,079,613.42/31,670.32
  6. Step 6: Final answer
    x = 19,452.90

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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.