Home / 56,520.44-84,777.98-20,988.82

Finding the Fourth Proportional to 56,520.44, 84,777.98 and 20,988.82

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Solution

The fourth proportional to 56,520.44, 84,777.98 and 20,988.82 is: 31,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520.44 : 84,777.98 = 20,988.82 : x
  2. Step 2: Convert to fraction form
    56,520.44/84,777.98 = 20,988.82/x
  3. Step 3: Cross multiply
    56,520.44x = 84,777.98 × 20,988.82
  4. Step 4: Simplify right side
    56,520.44x = 1,779,389,445.29
  5. Step 5: Solve for x
    x = 1,779,389,445.29/56,520.44
  6. Step 6: Final answer
    x = 31,482.23

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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.