Home / 38,636.80-53,250.88-31,882.56

Finding the Fourth Proportional to 38,636.80, 53,250.88 and 31,882.56

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Solution

The fourth proportional to 38,636.80, 53,250.88 and 31,882.56 is: 43,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.80 : 53,250.88 = 31,882.56 : x
  2. Step 2: Convert to fraction form
    38,636.80/53,250.88 = 31,882.56/x
  3. Step 3: Cross multiply
    38,636.80x = 53,250.88 × 31,882.56
  4. Step 4: Simplify right side
    38,636.80x = 1,697,774,376.65
  5. Step 5: Solve for x
    x = 1,697,774,376.65/38,636.80
  6. Step 6: Final answer
    x = 43,941.90

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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.