Home / 49,870.86-74,741.66-20,254.29

Finding the Fourth Proportional to 49,870.86, 74,741.66 and 20,254.29

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Solution

The fourth proportional to 49,870.86, 74,741.66 and 20,254.29 is: 30,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.86 : 74,741.66 = 20,254.29 : x
  2. Step 2: Convert to fraction form
    49,870.86/74,741.66 = 20,254.29/x
  3. Step 3: Cross multiply
    49,870.86x = 74,741.66 × 20,254.29
  4. Step 4: Simplify right side
    49,870.86x = 1,513,839,256.72
  5. Step 5: Solve for x
    x = 1,513,839,256.72/49,870.86
  6. Step 6: Final answer
    x = 30,355.19

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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.