Home / 31,916.91-47,859.34-18,594.30

Finding the Fourth Proportional to 31,916.91, 47,859.34 and 18,594.30

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Solution

The fourth proportional to 31,916.91, 47,859.34 and 18,594.30 is: 27,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.91 : 47,859.34 = 18,594.30 : x
  2. Step 2: Convert to fraction form
    31,916.91/47,859.34 = 18,594.30/x
  3. Step 3: Cross multiply
    31,916.91x = 47,859.34 × 18,594.30
  4. Step 4: Simplify right side
    31,916.91x = 889,910,925.76
  5. Step 5: Solve for x
    x = 889,910,925.76/31,916.91
  6. Step 6: Final answer
    x = 27,882.11

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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.