Home / 31,330.28-43,238.95-17,903.52

Finding the Fourth Proportional to 31,330.28, 43,238.95 and 17,903.52

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Solution

The fourth proportional to 31,330.28, 43,238.95 and 17,903.52 is: 24,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.28 : 43,238.95 = 17,903.52 : x
  2. Step 2: Convert to fraction form
    31,330.28/43,238.95 = 17,903.52/x
  3. Step 3: Cross multiply
    31,330.28x = 43,238.95 × 17,903.52
  4. Step 4: Simplify right side
    31,330.28x = 774,129,361.35
  5. Step 5: Solve for x
    x = 774,129,361.35/31,330.28
  6. Step 6: Final answer
    x = 24,708.66

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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.