Home / 31,507.22-47,282.65-12,529.91

Finding the Fourth Proportional to 31,507.22, 47,282.65 and 12,529.91

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Solution

The fourth proportional to 31,507.22, 47,282.65 and 12,529.91 is: 18,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.22 : 47,282.65 = 12,529.91 : x
  2. Step 2: Convert to fraction form
    31,507.22/47,282.65 = 12,529.91/x
  3. Step 3: Cross multiply
    31,507.22x = 47,282.65 × 12,529.91
  4. Step 4: Simplify right side
    31,507.22x = 592,447,228.52
  5. Step 5: Solve for x
    x = 592,447,228.52/31,507.22
  6. Step 6: Final answer
    x = 18,803.54

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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.