Home / 52,180.70-72,009.42-28,307.36

Finding the Fourth Proportional to 52,180.70, 72,009.42 and 28,307.36

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Solution

The fourth proportional to 52,180.70, 72,009.42 and 28,307.36 is: 39,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180.70 : 72,009.42 = 28,307.36 : x
  2. Step 2: Convert to fraction form
    52,180.70/72,009.42 = 28,307.36/x
  3. Step 3: Cross multiply
    52,180.70x = 72,009.42 × 28,307.36
  4. Step 4: Simplify right side
    52,180.70x = 2,038,396,575.33
  5. Step 5: Solve for x
    x = 2,038,396,575.33/52,180.70
  6. Step 6: Final answer
    x = 39,064.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.