Home / 56,717.12-78,277.44-32,851.28

Finding the Fourth Proportional to 56,717.12, 78,277.44 and 32,851.28

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Solution

The fourth proportional to 56,717.12, 78,277.44 and 32,851.28 is: 45,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.12 : 78,277.44 = 32,851.28 : x
  2. Step 2: Convert to fraction form
    56,717.12/78,277.44 = 32,851.28/x
  3. Step 3: Cross multiply
    56,717.12x = 78,277.44 × 32,851.28
  4. Step 4: Simplify right side
    56,717.12x = 2,571,514,099.12
  5. Step 5: Solve for x
    x = 2,571,514,099.12/56,717.12
  6. Step 6: Final answer
    x = 45,339.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.