Home / 56,625.95-84,949.65-18,677.40

Finding the Fourth Proportional to 56,625.95, 84,949.65 and 18,677.40

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Solution

The fourth proportional to 56,625.95, 84,949.65 and 18,677.40 is: 28,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,625.95 : 84,949.65 = 18,677.40 : x
  2. Step 2: Convert to fraction form
    56,625.95/84,949.65 = 18,677.40/x
  3. Step 3: Cross multiply
    56,625.95x = 84,949.65 × 18,677.40
  4. Step 4: Simplify right side
    56,625.95x = 1,586,638,592.91
  5. Step 5: Solve for x
    x = 1,586,638,592.91/56,625.95
  6. Step 6: Final answer
    x = 28,019.64

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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.