Home / 31,345.17-47,025.35-18,026.69

Finding the Fourth Proportional to 31,345.17, 47,025.35 and 18,026.69

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Solution

The fourth proportional to 31,345.17, 47,025.35 and 18,026.69 is: 27,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.17 : 47,025.35 = 18,026.69 : x
  2. Step 2: Convert to fraction form
    31,345.17/47,025.35 = 18,026.69/x
  3. Step 3: Cross multiply
    31,345.17x = 47,025.35 × 18,026.69
  4. Step 4: Simplify right side
    31,345.17x = 847,711,514.85
  5. Step 5: Solve for x
    x = 847,711,514.85/31,345.17
  6. Step 6: Final answer
    x = 27,044.40

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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.