Home / 39,159.60-58,739.40-29,828.40

Finding the Fourth Proportional to 39,159.60, 58,739.40 and 29,828.40

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Solution

The fourth proportional to 39,159.60, 58,739.40 and 29,828.40 is: 44,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.60 : 58,739.40 = 29,828.40 : x
  2. Step 2: Convert to fraction form
    39,159.60/58,739.40 = 29,828.40/x
  3. Step 3: Cross multiply
    39,159.60x = 58,739.40 × 29,828.40
  4. Step 4: Simplify right side
    39,159.60x = 1,752,102,318.96
  5. Step 5: Solve for x
    x = 1,752,102,318.96/39,159.60
  6. Step 6: Final answer
    x = 44,742.60

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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.