Home / 38,506.16-57,744.54-18,510.12

Finding the Fourth Proportional to 38,506.16, 57,744.54 and 18,510.12

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Solution

The fourth proportional to 38,506.16, 57,744.54 and 18,510.12 is: 27,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,506.16 : 57,744.54 = 18,510.12 : x
  2. Step 2: Convert to fraction form
    38,506.16/57,744.54 = 18,510.12/x
  3. Step 3: Cross multiply
    38,506.16x = 57,744.54 × 18,510.12
  4. Step 4: Simplify right side
    38,506.16x = 1,068,858,364.74
  5. Step 5: Solve for x
    x = 1,068,858,364.74/38,506.16
  6. Step 6: Final answer
    x = 27,758.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.