Home / 55,277.48-76,280.10-30,126.76

Finding the Fourth Proportional to 55,277.48, 76,280.10 and 30,126.76

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Solution

The fourth proportional to 55,277.48, 76,280.10 and 30,126.76 is: 41,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.48 : 76,280.10 = 30,126.76 : x
  2. Step 2: Convert to fraction form
    55,277.48/76,280.10 = 30,126.76/x
  3. Step 3: Cross multiply
    55,277.48x = 76,280.10 × 30,126.76
  4. Step 4: Simplify right side
    55,277.48x = 2,298,072,265.48
  5. Step 5: Solve for x
    x = 2,298,072,265.48/55,277.48
  6. Step 6: Final answer
    x = 41,573.39

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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.