Home / 31,422.55-43,362.93-17,810.53

Finding the Fourth Proportional to 31,422.55, 43,362.93 and 17,810.53

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Solution

The fourth proportional to 31,422.55, 43,362.93 and 17,810.53 is: 24,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.55 : 43,362.93 = 17,810.53 : x
  2. Step 2: Convert to fraction form
    31,422.55/43,362.93 = 17,810.53/x
  3. Step 3: Cross multiply
    31,422.55x = 43,362.93 × 17,810.53
  4. Step 4: Simplify right side
    31,422.55x = 772,316,765.65
  5. Step 5: Solve for x
    x = 772,316,765.65/31,422.55
  6. Step 6: Final answer
    x = 24,578.42

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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.