Home / 40,419.65-55,779.12-23,433.75

Finding the Fourth Proportional to 40,419.65, 55,779.12 and 23,433.75

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Solution

The fourth proportional to 40,419.65, 55,779.12 and 23,433.75 is: 32,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.65 : 55,779.12 = 23,433.75 : x
  2. Step 2: Convert to fraction form
    40,419.65/55,779.12 = 23,433.75/x
  3. Step 3: Cross multiply
    40,419.65x = 55,779.12 × 23,433.75
  4. Step 4: Simplify right side
    40,419.65x = 1,307,113,953.30
  5. Step 5: Solve for x
    x = 1,307,113,953.30/40,419.65
  6. Step 6: Final answer
    x = 32,338.57

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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.