Home / 58,837.18-81,195.69-31,979.92

Finding the Fourth Proportional to 58,837.18, 81,195.69 and 31,979.92

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Solution

The fourth proportional to 58,837.18, 81,195.69 and 31,979.92 is: 44,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,837.18 : 81,195.69 = 31,979.92 : x
  2. Step 2: Convert to fraction form
    58,837.18/81,195.69 = 31,979.92/x
  3. Step 3: Cross multiply
    58,837.18x = 81,195.69 × 31,979.92
  4. Step 4: Simplify right side
    58,837.18x = 2,596,631,670.54
  5. Step 5: Solve for x
    x = 2,596,631,670.54/58,837.18
  6. Step 6: Final answer
    x = 44,132.50

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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.