Home / 31,567.76-47,359.35-10,507.76

Finding the Fourth Proportional to 31,567.76, 47,359.35 and 10,507.76

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Solution

The fourth proportional to 31,567.76, 47,359.35 and 10,507.76 is: 15,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.76 : 47,359.35 = 10,507.76 : x
  2. Step 2: Convert to fraction form
    31,567.76/47,359.35 = 10,507.76/x
  3. Step 3: Cross multiply
    31,567.76x = 47,359.35 × 10,507.76
  4. Step 4: Simplify right side
    31,567.76x = 497,640,683.56
  5. Step 5: Solve for x
    x = 497,640,683.56/31,567.76
  6. Step 6: Final answer
    x = 15,764.21

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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.