Home / 31,962.49-44,113.40-18,531.12

Finding the Fourth Proportional to 31,962.49, 44,113.40 and 18,531.12

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Solution

The fourth proportional to 31,962.49, 44,113.40 and 18,531.12 is: 25,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.49 : 44,113.40 = 18,531.12 : x
  2. Step 2: Convert to fraction form
    31,962.49/44,113.40 = 18,531.12/x
  3. Step 3: Cross multiply
    31,962.49x = 44,113.40 × 18,531.12
  4. Step 4: Simplify right side
    31,962.49x = 817,470,709.01
  5. Step 5: Solve for x
    x = 817,470,709.01/31,962.49
  6. Step 6: Final answer
    x = 25,575.94

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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.