Home / 58,777.96-81,113.70-31,920.16

Finding the Fourth Proportional to 58,777.96, 81,113.70 and 31,920.16

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Solution

The fourth proportional to 58,777.96, 81,113.70 and 31,920.16 is: 44,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.96 : 81,113.70 = 31,920.16 : x
  2. Step 2: Convert to fraction form
    58,777.96/81,113.70 = 31,920.16/x
  3. Step 3: Cross multiply
    58,777.96x = 81,113.70 × 31,920.16
  4. Step 4: Simplify right side
    58,777.96x = 2,589,162,282.19
  5. Step 5: Solve for x
    x = 2,589,162,282.19/58,777.96
  6. Step 6: Final answer
    x = 44,049.88

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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.