Home / 55,784.40-77,035.02-38,834.99

Finding the Fourth Proportional to 55,784.40, 77,035.02 and 38,834.99

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Solution

The fourth proportional to 55,784.40, 77,035.02 and 38,834.99 is: 53,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.40 : 77,035.02 = 38,834.99 : x
  2. Step 2: Convert to fraction form
    55,784.40/77,035.02 = 38,834.99/x
  3. Step 3: Cross multiply
    55,784.40x = 77,035.02 × 38,834.99
  4. Step 4: Simplify right side
    55,784.40x = 2,991,654,531.97
  5. Step 5: Solve for x
    x = 2,991,654,531.97/55,784.40
  6. Step 6: Final answer
    x = 53,628.87

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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.