Home / 31,488.78-43,454.57-17,341.66

Finding the Fourth Proportional to 31,488.78, 43,454.57 and 17,341.66

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Solution

The fourth proportional to 31,488.78, 43,454.57 and 17,341.66 is: 23,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.78 : 43,454.57 = 17,341.66 : x
  2. Step 2: Convert to fraction form
    31,488.78/43,454.57 = 17,341.66/x
  3. Step 3: Cross multiply
    31,488.78x = 43,454.57 × 17,341.66
  4. Step 4: Simplify right side
    31,488.78x = 753,574,378.39
  5. Step 5: Solve for x
    x = 753,574,378.39/31,488.78
  6. Step 6: Final answer
    x = 23,931.52

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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.