Home / 38,742.75-53,444.57-31,988.97

Finding the Fourth Proportional to 38,742.75, 53,444.57 and 31,988.97

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Solution

The fourth proportional to 38,742.75, 53,444.57 and 31,988.97 is: 44,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.75 : 53,444.57 = 31,988.97 : x
  2. Step 2: Convert to fraction form
    38,742.75/53,444.57 = 31,988.97/x
  3. Step 3: Cross multiply
    38,742.75x = 53,444.57 × 31,988.97
  4. Step 4: Simplify right side
    38,742.75x = 1,709,636,586.45
  5. Step 5: Solve for x
    x = 1,709,636,586.45/38,742.75
  6. Step 6: Final answer
    x = 44,127.91

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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.