Home / 56,871.36-85,307.04-29,151.68

Finding the Fourth Proportional to 56,871.36, 85,307.04 and 29,151.68

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Solution

The fourth proportional to 56,871.36, 85,307.04 and 29,151.68 is: 43,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871.36 : 85,307.04 = 29,151.68 : x
  2. Step 2: Convert to fraction form
    56,871.36/85,307.04 = 29,151.68/x
  3. Step 3: Cross multiply
    56,871.36x = 85,307.04 × 29,151.68
  4. Step 4: Simplify right side
    56,871.36x = 2,486,843,531.83
  5. Step 5: Solve for x
    x = 2,486,843,531.83/56,871.36
  6. Step 6: Final answer
    x = 43,727.52

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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.