Home / 38,780.65-53,522.33-23,670.17

Finding the Fourth Proportional to 38,780.65, 53,522.33 and 23,670.17

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Solution

The fourth proportional to 38,780.65, 53,522.33 and 23,670.17 is: 32,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.65 : 53,522.33 = 23,670.17 : x
  2. Step 2: Convert to fraction form
    38,780.65/53,522.33 = 23,670.17/x
  3. Step 3: Cross multiply
    38,780.65x = 53,522.33 × 23,670.17
  4. Step 4: Simplify right side
    38,780.65x = 1,266,882,649.90
  5. Step 5: Solve for x
    x = 1,266,882,649.90/38,780.65
  6. Step 6: Final answer
    x = 32,667.91

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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.