Home / 31,423.96-43,363.95-17,276.69

Finding the Fourth Proportional to 31,423.96, 43,363.95 and 17,276.69

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Solution

The fourth proportional to 31,423.96, 43,363.95 and 17,276.69 is: 23,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.96 : 43,363.95 = 17,276.69 : x
  2. Step 2: Convert to fraction form
    31,423.96/43,363.95 = 17,276.69/x
  3. Step 3: Cross multiply
    31,423.96x = 43,363.95 × 17,276.69
  4. Step 4: Simplify right side
    31,423.96x = 749,185,521.33
  5. Step 5: Solve for x
    x = 749,185,521.33/31,423.96
  6. Step 6: Final answer
    x = 23,841.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.