Home / 31,695.48-47,525.70-21,711.66

Finding the Fourth Proportional to 31,695.48, 47,525.70 and 21,711.66

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Solution

The fourth proportional to 31,695.48, 47,525.70 and 21,711.66 is: 32,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.48 : 47,525.70 = 21,711.66 : x
  2. Step 2: Convert to fraction form
    31,695.48/47,525.70 = 21,711.66/x
  3. Step 3: Cross multiply
    31,695.48x = 47,525.70 × 21,711.66
  4. Step 4: Simplify right side
    31,695.48x = 1,031,861,839.66
  5. Step 5: Solve for x
    x = 1,031,861,839.66/31,695.48
  6. Step 6: Final answer
    x = 32,555.49

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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.