Home / 42,965.03-64,421.66-19,268.29

Finding the Fourth Proportional to 42,965.03, 64,421.66 and 19,268.29

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Solution

The fourth proportional to 42,965.03, 64,421.66 and 19,268.29 is: 28,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965.03 : 64,421.66 = 19,268.29 : x
  2. Step 2: Convert to fraction form
    42,965.03/64,421.66 = 19,268.29/x
  3. Step 3: Cross multiply
    42,965.03x = 64,421.66 × 19,268.29
  4. Step 4: Simplify right side
    42,965.03x = 1,241,294,808.71
  5. Step 5: Solve for x
    x = 1,241,294,808.71/42,965.03
  6. Step 6: Final answer
    x = 28,890.82

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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.