Home / 35,562.80-53,353.92-12,191.06

Finding the Fourth Proportional to 35,562.80, 53,353.92 and 12,191.06

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Solution

The fourth proportional to 35,562.80, 53,353.92 and 12,191.06 is: 18,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,562.80 : 53,353.92 = 12,191.06 : x
  2. Step 2: Convert to fraction form
    35,562.80/53,353.92 = 12,191.06/x
  3. Step 3: Cross multiply
    35,562.80x = 53,353.92 × 12,191.06
  4. Step 4: Simplify right side
    35,562.80x = 650,440,573.19
  5. Step 5: Solve for x
    x = 650,440,573.19/35,562.80
  6. Step 6: Final answer
    x = 18,289.92

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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.