Home / 58,758.96-81,085.08-31,900.86

Finding the Fourth Proportional to 58,758.96, 81,085.08 and 31,900.86

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Solution

The fourth proportional to 58,758.96, 81,085.08 and 31,900.86 is: 44,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,758.96 : 81,085.08 = 31,900.86 : x
  2. Step 2: Convert to fraction form
    58,758.96/81,085.08 = 31,900.86/x
  3. Step 3: Cross multiply
    58,758.96x = 81,085.08 × 31,900.86
  4. Step 4: Simplify right side
    58,758.96x = 2,586,683,785.17
  5. Step 5: Solve for x
    x = 2,586,683,785.17/58,758.96
  6. Step 6: Final answer
    x = 44,021.95

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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.