Home / 31,613.86-47,420.80-17,567.18

Finding the Fourth Proportional to 31,613.86, 47,420.80 and 17,567.18

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Solution

The fourth proportional to 31,613.86, 47,420.80 and 17,567.18 is: 26,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.86 : 47,420.80 = 17,567.18 : x
  2. Step 2: Convert to fraction form
    31,613.86/47,420.80 = 17,567.18/x
  3. Step 3: Cross multiply
    31,613.86x = 47,420.80 × 17,567.18
  4. Step 4: Simplify right side
    31,613.86x = 833,049,448.32
  5. Step 5: Solve for x
    x = 833,049,448.32/31,613.86
  6. Step 6: Final answer
    x = 26,350.77

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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.