Home / 42,716.55-64,075.84-13,134.66

Finding the Fourth Proportional to 42,716.55, 64,075.84 and 13,134.66

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Solution

The fourth proportional to 42,716.55, 64,075.84 and 13,134.66 is: 19,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.55 : 64,075.84 = 13,134.66 : x
  2. Step 2: Convert to fraction form
    42,716.55/64,075.84 = 13,134.66/x
  3. Step 3: Cross multiply
    42,716.55x = 64,075.84 × 13,134.66
  4. Step 4: Simplify right side
    42,716.55x = 841,614,052.24
  5. Step 5: Solve for x
    x = 841,614,052.24/42,716.55
  6. Step 6: Final answer
    x = 19,702.29

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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.