Home / 45,554.17-68,340.48-19,258.87

Finding the Fourth Proportional to 45,554.17, 68,340.48 and 19,258.87

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Solution

The fourth proportional to 45,554.17, 68,340.48 and 19,258.87 is: 28,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554.17 : 68,340.48 = 19,258.87 : x
  2. Step 2: Convert to fraction form
    45,554.17/68,340.48 = 19,258.87/x
  3. Step 3: Cross multiply
    45,554.17x = 68,340.48 × 19,258.87
  4. Step 4: Simplify right side
    45,554.17x = 1,316,160,420.06
  5. Step 5: Solve for x
    x = 1,316,160,420.06/45,554.17
  6. Step 6: Final answer
    x = 28,892.21

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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.