Home / 38,658.59-53,374.55-29,690.06

Finding the Fourth Proportional to 38,658.59, 53,374.55 and 29,690.06

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Solution

The fourth proportional to 38,658.59, 53,374.55 and 29,690.06 is: 40,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658.59 : 53,374.55 = 29,690.06 : x
  2. Step 2: Convert to fraction form
    38,658.59/53,374.55 = 29,690.06/x
  3. Step 3: Cross multiply
    38,658.59x = 53,374.55 × 29,690.06
  4. Step 4: Simplify right side
    38,658.59x = 1,584,693,176.65
  5. Step 5: Solve for x
    x = 1,584,693,176.65/38,658.59
  6. Step 6: Final answer
    x = 40,992.01

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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.