Home / 42,726.08-64,093.80-17,769.08

Finding the Fourth Proportional to 42,726.08, 64,093.80 and 17,769.08

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Solution

The fourth proportional to 42,726.08, 64,093.80 and 17,769.08 is: 26,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,726.08 : 64,093.80 = 17,769.08 : x
  2. Step 2: Convert to fraction form
    42,726.08/64,093.80 = 17,769.08/x
  3. Step 3: Cross multiply
    42,726.08x = 64,093.80 × 17,769.08
  4. Step 4: Simplify right side
    42,726.08x = 1,138,887,859.70
  5. Step 5: Solve for x
    x = 1,138,887,859.70/42,726.08
  6. Step 6: Final answer
    x = 26,655.57

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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.