Home / 38,719.98-53,085.60-38,020.14

Finding the Fourth Proportional to 38,719.98, 53,085.60 and 38,020.14

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Solution

The fourth proportional to 38,719.98, 53,085.60 and 38,020.14 is: 52,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.98 : 53,085.60 = 38,020.14 : x
  2. Step 2: Convert to fraction form
    38,719.98/53,085.60 = 38,020.14/x
  3. Step 3: Cross multiply
    38,719.98x = 53,085.60 × 38,020.14
  4. Step 4: Simplify right side
    38,719.98x = 2,018,321,943.98
  5. Step 5: Solve for x
    x = 2,018,321,943.98/38,719.98
  6. Step 6: Final answer
    x = 52,126.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.