Home / 56,627.95-84,952.65-18,679.40

Finding the Fourth Proportional to 56,627.95, 84,952.65 and 18,679.40

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Solution

The fourth proportional to 56,627.95, 84,952.65 and 18,679.40 is: 28,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,627.95 : 84,952.65 = 18,679.40 : x
  2. Step 2: Convert to fraction form
    56,627.95/84,952.65 = 18,679.40/x
  3. Step 3: Cross multiply
    56,627.95x = 84,952.65 × 18,679.40
  4. Step 4: Simplify right side
    56,627.95x = 1,586,864,530.41
  5. Step 5: Solve for x
    x = 1,586,864,530.41/56,627.95
  6. Step 6: Final answer
    x = 28,022.64

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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.