Home / 56,664.09-84,938.76-28,499.04

Finding the Fourth Proportional to 56,664.09, 84,938.76 and 28,499.04

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Solution

The fourth proportional to 56,664.09, 84,938.76 and 28,499.04 is: 42,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.09 : 84,938.76 = 28,499.04 : x
  2. Step 2: Convert to fraction form
    56,664.09/84,938.76 = 28,499.04/x
  3. Step 3: Cross multiply
    56,664.09x = 84,938.76 × 28,499.04
  4. Step 4: Simplify right side
    56,664.09x = 2,420,673,118.79
  5. Step 5: Solve for x
    x = 2,420,673,118.79/56,664.09
  6. Step 6: Final answer
    x = 42,719.70

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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.