Home / 31,697.16-47,530.35-15,895.41

Finding the Fourth Proportional to 31,697.16, 47,530.35 and 15,895.41

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Solution

The fourth proportional to 31,697.16, 47,530.35 and 15,895.41 is: 23,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.16 : 47,530.35 = 15,895.41 : x
  2. Step 2: Convert to fraction form
    31,697.16/47,530.35 = 15,895.41/x
  3. Step 3: Cross multiply
    31,697.16x = 47,530.35 × 15,895.41
  4. Step 4: Simplify right side
    31,697.16x = 755,514,400.69
  5. Step 5: Solve for x
    x = 755,514,400.69/31,697.16
  6. Step 6: Final answer
    x = 23,835.40

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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.