Home / 42,778.26-64,178.34-17,810.01

Finding the Fourth Proportional to 42,778.26, 64,178.34 and 17,810.01

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Solution

The fourth proportional to 42,778.26, 64,178.34 and 17,810.01 is: 26,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.26 : 64,178.34 = 17,810.01 : x
  2. Step 2: Convert to fraction form
    42,778.26/64,178.34 = 17,810.01/x
  3. Step 3: Cross multiply
    42,778.26x = 64,178.34 × 17,810.01
  4. Step 4: Simplify right side
    42,778.26x = 1,143,016,877.18
  5. Step 5: Solve for x
    x = 1,143,016,877.18/42,778.26
  6. Step 6: Final answer
    x = 26,719.57

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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.