Home / 38,719.08-53,454.24-29,627.40

Finding the Fourth Proportional to 38,719.08, 53,454.24 and 29,627.40

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Solution

The fourth proportional to 38,719.08, 53,454.24 and 29,627.40 is: 40,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.08 : 53,454.24 = 29,627.40 : x
  2. Step 2: Convert to fraction form
    38,719.08/53,454.24 = 29,627.40/x
  3. Step 3: Cross multiply
    38,719.08x = 53,454.24 × 29,627.40
  4. Step 4: Simplify right side
    38,719.08x = 1,583,710,150.18
  5. Step 5: Solve for x
    x = 1,583,710,150.18/38,719.08
  6. Step 6: Final answer
    x = 40,902.58

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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.