Home / 52,357.66-78,543.79-16,820.06

Finding the Fourth Proportional to 52,357.66, 78,543.79 and 16,820.06

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Solution

The fourth proportional to 52,357.66, 78,543.79 and 16,820.06 is: 25,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.66 : 78,543.79 = 16,820.06 : x
  2. Step 2: Convert to fraction form
    52,357.66/78,543.79 = 16,820.06/x
  3. Step 3: Cross multiply
    52,357.66x = 78,543.79 × 16,820.06
  4. Step 4: Simplify right side
    52,357.66x = 1,321,110,825.66
  5. Step 5: Solve for x
    x = 1,321,110,825.66/52,357.66
  6. Step 6: Final answer
    x = 25,232.43

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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.