Home / 55,031.84-82,580.55-19,974.23

Finding the Fourth Proportional to 55,031.84, 82,580.55 and 19,974.23

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Solution

The fourth proportional to 55,031.84, 82,580.55 and 19,974.23 is: 29,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.84 : 82,580.55 = 19,974.23 : x
  2. Step 2: Convert to fraction form
    55,031.84/82,580.55 = 19,974.23/x
  3. Step 3: Cross multiply
    55,031.84x = 82,580.55 × 19,974.23
  4. Step 4: Simplify right side
    55,031.84x = 1,649,482,899.23
  5. Step 5: Solve for x
    x = 1,649,482,899.23/55,031.84
  6. Step 6: Final answer
    x = 29,973.25

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1.5x scale

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.