Home / 55,697.47-83,551.12-15,716.80

Finding the Fourth Proportional to 55,697.47, 83,551.12 and 15,716.80

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Solution

The fourth proportional to 55,697.47, 83,551.12 and 15,716.80 is: 23,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,697.47 : 83,551.12 = 15,716.80 : x
  2. Step 2: Convert to fraction form
    55,697.47/83,551.12 = 15,716.80/x
  3. Step 3: Cross multiply
    55,697.47x = 83,551.12 × 15,716.80
  4. Step 4: Simplify right side
    55,697.47x = 1,313,156,307.96
  5. Step 5: Solve for x
    x = 1,313,156,307.96/55,697.47
  6. Step 6: Final answer
    x = 23,576.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.