Home / 35,801.06-53,701.80-12,108.78

Finding the Fourth Proportional to 35,801.06, 53,701.80 and 12,108.78

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Solution

The fourth proportional to 35,801.06, 53,701.80 and 12,108.78 is: 18,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,801.06 : 53,701.80 = 12,108.78 : x
  2. Step 2: Convert to fraction form
    35,801.06/53,701.80 = 12,108.78/x
  3. Step 3: Cross multiply
    35,801.06x = 53,701.80 × 12,108.78
  4. Step 4: Simplify right side
    35,801.06x = 650,263,281.80
  5. Step 5: Solve for x
    x = 650,263,281.80/35,801.06
  6. Step 6: Final answer
    x = 18,163.24

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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.