Home / 55,426.30-83,139.45-37,711.60

Finding the Fourth Proportional to 55,426.30, 83,139.45 and 37,711.60

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Solution

The fourth proportional to 55,426.30, 83,139.45 and 37,711.60 is: 56,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.30 : 83,139.45 = 37,711.60 : x
  2. Step 2: Convert to fraction form
    55,426.30/83,139.45 = 37,711.60/x
  3. Step 3: Cross multiply
    55,426.30x = 83,139.45 × 37,711.60
  4. Step 4: Simplify right side
    55,426.30x = 3,135,321,682.62
  5. Step 5: Solve for x
    x = 3,135,321,682.62/55,426.30
  6. Step 6: Final answer
    x = 56,567.40

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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.