Home / 52,359.16-78,543.60-21,196.84

Finding the Fourth Proportional to 52,359.16, 78,543.60 and 21,196.84

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Solution

The fourth proportional to 52,359.16, 78,543.60 and 21,196.84 is: 31,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,359.16 : 78,543.60 = 21,196.84 : x
  2. Step 2: Convert to fraction form
    52,359.16/78,543.60 = 21,196.84/x
  3. Step 3: Cross multiply
    52,359.16x = 78,543.60 × 21,196.84
  4. Step 4: Simplify right side
    52,359.16x = 1,664,876,122.22
  5. Step 5: Solve for x
    x = 1,664,876,122.22/52,359.16
  6. Step 6: Final answer
    x = 31,797.23

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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.