Home / 52,212.15-78,240.47-29,992.23

Finding the Fourth Proportional to 52,212.15, 78,240.47 and 29,992.23

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Solution

The fourth proportional to 52,212.15, 78,240.47 and 29,992.23 is: 44,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.15 : 78,240.47 = 29,992.23 : x
  2. Step 2: Convert to fraction form
    52,212.15/78,240.47 = 29,992.23/x
  3. Step 3: Cross multiply
    52,212.15x = 78,240.47 × 29,992.23
  4. Step 4: Simplify right side
    52,212.15x = 2,346,606,021.59
  5. Step 5: Solve for x
    x = 2,346,606,021.59/52,212.15
  6. Step 6: Final answer
    x = 44,943.68

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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.