Home / 55,271.10-82,918.80-17,824.80

Finding the Fourth Proportional to 55,271.10, 82,918.80 and 17,824.80

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Solution

The fourth proportional to 55,271.10, 82,918.80 and 17,824.80 is: 26,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.10 : 82,918.80 = 17,824.80 : x
  2. Step 2: Convert to fraction form
    55,271.10/82,918.80 = 17,824.80/x
  3. Step 3: Cross multiply
    55,271.10x = 82,918.80 × 17,824.80
  4. Step 4: Simplify right side
    55,271.10x = 1,478,011,026.24
  5. Step 5: Solve for x
    x = 1,478,011,026.24/55,271.10
  6. Step 6: Final answer
    x = 26,741.12

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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.