Home / 55,461.60-76,537.20-30,311.52

Finding the Fourth Proportional to 55,461.60, 76,537.20 and 30,311.52

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Solution

The fourth proportional to 55,461.60, 76,537.20 and 30,311.52 is: 41,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.60 : 76,537.20 = 30,311.52 : x
  2. Step 2: Convert to fraction form
    55,461.60/76,537.20 = 30,311.52/x
  3. Step 3: Cross multiply
    55,461.60x = 76,537.20 × 30,311.52
  4. Step 4: Simplify right side
    55,461.60x = 2,319,958,868.54
  5. Step 5: Solve for x
    x = 2,319,958,868.54/55,461.60
  6. Step 6: Final answer
    x = 41,830.00

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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.