Home / 58,821.28-81,136.80-34,930.72

Finding the Fourth Proportional to 58,821.28, 81,136.80 and 34,930.72

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Solution

The fourth proportional to 58,821.28, 81,136.80 and 34,930.72 is: 48,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.28 : 81,136.80 = 34,930.72 : x
  2. Step 2: Convert to fraction form
    58,821.28/81,136.80 = 34,930.72/x
  3. Step 3: Cross multiply
    58,821.28x = 81,136.80 × 34,930.72
  4. Step 4: Simplify right side
    58,821.28x = 2,834,166,842.50
  5. Step 5: Solve for x
    x = 2,834,166,842.50/58,821.28
  6. Step 6: Final answer
    x = 48,182.68

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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.