Home / 52,403.68-78,605.34-21,238.84

Finding the Fourth Proportional to 52,403.68, 78,605.34 and 21,238.84

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Solution

The fourth proportional to 52,403.68, 78,605.34 and 21,238.84 is: 31,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.68 : 78,605.34 = 21,238.84 : x
  2. Step 2: Convert to fraction form
    52,403.68/78,605.34 = 21,238.84/x
  3. Step 3: Cross multiply
    52,403.68x = 78,605.34 × 21,238.84
  4. Step 4: Simplify right side
    52,403.68x = 1,669,486,239.41
  5. Step 5: Solve for x
    x = 1,669,486,239.41/52,403.68
  6. Step 6: Final answer
    x = 31,858.19

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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.