Home / 55,264.68-82,904.51-21,988.26

Finding the Fourth Proportional to 55,264.68, 82,904.51 and 21,988.26

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Solution

The fourth proportional to 55,264.68, 82,904.51 and 21,988.26 is: 32,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.68 : 82,904.51 = 21,988.26 : x
  2. Step 2: Convert to fraction form
    55,264.68/82,904.51 = 21,988.26/x
  3. Step 3: Cross multiply
    55,264.68x = 82,904.51 × 21,988.26
  4. Step 4: Simplify right side
    55,264.68x = 1,822,925,976.02
  5. Step 5: Solve for x
    x = 1,822,925,976.02/55,264.68
  6. Step 6: Final answer
    x = 32,985.37

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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.