Home / 43,417.09-65,125.65-20,030.77

Finding the Fourth Proportional to 43,417.09, 65,125.65 and 20,030.77

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Solution

The fourth proportional to 43,417.09, 65,125.65 and 20,030.77 is: 30,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,417.09 : 65,125.65 = 20,030.77 : x
  2. Step 2: Convert to fraction form
    43,417.09/65,125.65 = 20,030.77/x
  3. Step 3: Cross multiply
    43,417.09x = 65,125.65 × 20,030.77
  4. Step 4: Simplify right side
    43,417.09x = 1,304,516,916.25
  5. Step 5: Solve for x
    x = 1,304,516,916.25/43,417.09
  6. Step 6: Final answer
    x = 30,046.16

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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.