Home / 31,394.24-43,312.92-17,955.68

Finding the Fourth Proportional to 31,394.24, 43,312.92 and 17,955.68

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Solution

The fourth proportional to 31,394.24, 43,312.92 and 17,955.68 is: 24,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.24 : 43,312.92 = 17,955.68 : x
  2. Step 2: Convert to fraction form
    31,394.24/43,312.92 = 17,955.68/x
  3. Step 3: Cross multiply
    31,394.24x = 43,312.92 × 17,955.68
  4. Step 4: Simplify right side
    31,394.24x = 777,712,931.39
  5. Step 5: Solve for x
    x = 777,712,931.39/31,394.24
  6. Step 6: Final answer
    x = 24,772.47

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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.