Home / 52,021.80-78,032.70-51,244.20

Finding the Fourth Proportional to 52,021.80, 78,032.70 and 51,244.20

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Solution

The fourth proportional to 52,021.80, 78,032.70 and 51,244.20 is: 76,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021.80 : 78,032.70 = 51,244.20 : x
  2. Step 2: Convert to fraction form
    52,021.80/78,032.70 = 51,244.20/x
  3. Step 3: Cross multiply
    52,021.80x = 78,032.70 × 51,244.20
  4. Step 4: Simplify right side
    52,021.80x = 3,998,723,285.34
  5. Step 5: Solve for x
    x = 3,998,723,285.34/52,021.80
  6. Step 6: Final answer
    x = 76,866.30

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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.