Home / 55,059.13-75,909.29-39,732.81

Finding the Fourth Proportional to 55,059.13, 75,909.29 and 39,732.81

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Solution

The fourth proportional to 55,059.13, 75,909.29 and 39,732.81 is: 54,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,059.13 : 75,909.29 = 39,732.81 : x
  2. Step 2: Convert to fraction form
    55,059.13/75,909.29 = 39,732.81/x
  3. Step 3: Cross multiply
    55,059.13x = 75,909.29 × 39,732.81
  4. Step 4: Simplify right side
    55,059.13x = 3,016,089,396.80
  5. Step 5: Solve for x
    x = 3,016,089,396.80/55,059.13
  6. Step 6: Final answer
    x = 54,779.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.