Home / 45,427.77-68,152.59-19,140.03

Finding the Fourth Proportional to 45,427.77, 68,152.59 and 19,140.03

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Solution

The fourth proportional to 45,427.77, 68,152.59 and 19,140.03 is: 28,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,427.77 : 68,152.59 = 19,140.03 : x
  2. Step 2: Convert to fraction form
    45,427.77/68,152.59 = 19,140.03/x
  3. Step 3: Cross multiply
    45,427.77x = 68,152.59 × 19,140.03
  4. Step 4: Simplify right side
    45,427.77x = 1,304,442,617.18
  5. Step 5: Solve for x
    x = 1,304,442,617.18/45,427.77
  6. Step 6: Final answer
    x = 28,714.65

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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.