Home / 31,389.42-47,300.05-25,964.85

Finding the Fourth Proportional to 31,389.42, 47,300.05 and 25,964.85

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Solution

The fourth proportional to 31,389.42, 47,300.05 and 25,964.85 is: 39,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.42 : 47,300.05 = 25,964.85 : x
  2. Step 2: Convert to fraction form
    31,389.42/47,300.05 = 25,964.85/x
  3. Step 3: Cross multiply
    31,389.42x = 47,300.05 × 25,964.85
  4. Step 4: Simplify right side
    31,389.42x = 1,228,138,703.24
  5. Step 5: Solve for x
    x = 1,228,138,703.24/31,389.42
  6. Step 6: Final answer
    x = 39,125.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.