Home / 58,836.60-81,195.04-31,979.17

Finding the Fourth Proportional to 58,836.60, 81,195.04 and 31,979.17

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Solution

The fourth proportional to 58,836.60, 81,195.04 and 31,979.17 is: 44,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,836.60 : 81,195.04 = 31,979.17 : x
  2. Step 2: Convert to fraction form
    58,836.60/81,195.04 = 31,979.17/x
  3. Step 3: Cross multiply
    58,836.60x = 81,195.04 × 31,979.17
  4. Step 4: Simplify right side
    58,836.60x = 2,596,549,987.32
  5. Step 5: Solve for x
    x = 2,596,549,987.32/58,836.60
  6. Step 6: Final answer
    x = 44,131.54

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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.