Home / 55,461.12-76,535.22-30,310.80

Finding the Fourth Proportional to 55,461.12, 76,535.22 and 30,310.80

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Solution

The fourth proportional to 55,461.12, 76,535.22 and 30,310.80 is: 41,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.12 : 76,535.22 = 30,310.80 : x
  2. Step 2: Convert to fraction form
    55,461.12/76,535.22 = 30,310.80/x
  3. Step 3: Cross multiply
    55,461.12x = 76,535.22 × 30,310.80
  4. Step 4: Simplify right side
    55,461.12x = 2,319,843,746.38
  5. Step 5: Solve for x
    x = 2,319,843,746.38/55,461.12
  6. Step 6: Final answer
    x = 41,828.29

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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.