Home / 55,872.15-83,810.85-18,435.50

Finding the Fourth Proportional to 55,872.15, 83,810.85 and 18,435.50

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Solution

The fourth proportional to 55,872.15, 83,810.85 and 18,435.50 is: 27,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872.15 : 83,810.85 = 18,435.50 : x
  2. Step 2: Convert to fraction form
    55,872.15/83,810.85 = 18,435.50/x
  3. Step 3: Cross multiply
    55,872.15x = 83,810.85 × 18,435.50
  4. Step 4: Simplify right side
    55,872.15x = 1,545,094,854.98
  5. Step 5: Solve for x
    x = 1,545,094,854.98/55,872.15
  6. Step 6: Final answer
    x = 27,654.11

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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.