Home / 31,122.24-42,948.71-17,693.16

Finding the Fourth Proportional to 31,122.24, 42,948.71 and 17,693.16

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Solution

The fourth proportional to 31,122.24, 42,948.71 and 17,693.16 is: 24,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.24 : 42,948.71 = 17,693.16 : x
  2. Step 2: Convert to fraction form
    31,122.24/42,948.71 = 17,693.16/x
  3. Step 3: Cross multiply
    31,122.24x = 42,948.71 × 17,693.16
  4. Step 4: Simplify right side
    31,122.24x = 759,898,309.36
  5. Step 5: Solve for x
    x = 759,898,309.36/31,122.24
  6. Step 6: Final answer
    x = 24,416.57

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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.