Home / 55,420.20-83,039.10-32,005.80

Finding the Fourth Proportional to 55,420.20, 83,039.10 and 32,005.80

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Solution

The fourth proportional to 55,420.20, 83,039.10 and 32,005.80 is: 47,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.20 : 83,039.10 = 32,005.80 : x
  2. Step 2: Convert to fraction form
    55,420.20/83,039.10 = 32,005.80/x
  3. Step 3: Cross multiply
    55,420.20x = 83,039.10 × 32,005.80
  4. Step 4: Simplify right side
    55,420.20x = 2,657,732,826.78
  5. Step 5: Solve for x
    x = 2,657,732,826.78/55,420.20
  6. Step 6: Final answer
    x = 47,956.03

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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.