Home / 56,432.95-84,656.49-20,888.28

Finding the Fourth Proportional to 56,432.95, 84,656.49 and 20,888.28

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Solution

The fourth proportional to 56,432.95, 84,656.49 and 20,888.28 is: 31,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.95 : 84,656.49 = 20,888.28 : x
  2. Step 2: Convert to fraction form
    56,432.95/84,656.49 = 20,888.28/x
  3. Step 3: Cross multiply
    56,432.95x = 84,656.49 × 20,888.28
  4. Step 4: Simplify right side
    56,432.95x = 1,768,328,506.10
  5. Step 5: Solve for x
    x = 1,768,328,506.10/56,432.95
  6. Step 6: Final answer
    x = 31,335.03

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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.