Home / 56,277.42-84,420.51-18,837.60

Finding the Fourth Proportional to 56,277.42, 84,420.51 and 18,837.60

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Solution

The fourth proportional to 56,277.42, 84,420.51 and 18,837.60 is: 28,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.42 : 84,420.51 = 18,837.60 : x
  2. Step 2: Convert to fraction form
    56,277.42/84,420.51 = 18,837.60/x
  3. Step 3: Cross multiply
    56,277.42x = 84,420.51 × 18,837.60
  4. Step 4: Simplify right side
    56,277.42x = 1,590,279,799.18
  5. Step 5: Solve for x
    x = 1,590,279,799.18/56,277.42
  6. Step 6: Final answer
    x = 28,257.87

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1.5x scale

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.