Home / 31,538.43-47,331.12-14,903.58

Finding the Fourth Proportional to 31,538.43, 47,331.12 and 14,903.58

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Solution

The fourth proportional to 31,538.43, 47,331.12 and 14,903.58 is: 22,366.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.43 : 47,331.12 = 14,903.58 : x
  2. Step 2: Convert to fraction form
    31,538.43/47,331.12 = 14,903.58/x
  3. Step 3: Cross multiply
    31,538.43x = 47,331.12 × 14,903.58
  4. Step 4: Simplify right side
    31,538.43x = 705,403,133.41
  5. Step 5: Solve for x
    x = 705,403,133.41/31,538.43
  6. Step 6: Final answer
    x = 22,366.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.