Home / 57,046.68-85,582.98-21,988.26

Finding the Fourth Proportional to 57,046.68, 85,582.98 and 21,988.26

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Solution

The fourth proportional to 57,046.68, 85,582.98 and 21,988.26 is: 32,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.68 : 85,582.98 = 21,988.26 : x
  2. Step 2: Convert to fraction form
    57,046.68/85,582.98 = 21,988.26/x
  3. Step 3: Cross multiply
    57,046.68x = 85,582.98 × 21,988.26
  4. Step 4: Simplify right side
    57,046.68x = 1,881,820,815.81
  5. Step 5: Solve for x
    x = 1,881,820,815.81/57,046.68
  6. Step 6: Final answer
    x = 32,987.39

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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.