Home / 38,023.68-57,085.20-30,531.24

Finding the Fourth Proportional to 38,023.68, 57,085.20 and 30,531.24

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Solution

The fourth proportional to 38,023.68, 57,085.20 and 30,531.24 is: 45,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.68 : 57,085.20 = 30,531.24 : x
  2. Step 2: Convert to fraction form
    38,023.68/57,085.20 = 30,531.24/x
  3. Step 3: Cross multiply
    38,023.68x = 57,085.20 × 30,531.24
  4. Step 4: Simplify right side
    38,023.68x = 1,742,881,941.65
  5. Step 5: Solve for x
    x = 1,742,881,941.65/38,023.68
  6. Step 6: Final answer
    x = 45,836.75

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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.