Home / 52,415.59-78,628.92-30,228.48

Finding the Fourth Proportional to 52,415.59, 78,628.92 and 30,228.48

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Solution

The fourth proportional to 52,415.59, 78,628.92 and 30,228.48 is: 45,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.59 : 78,628.92 = 30,228.48 : x
  2. Step 2: Convert to fraction form
    52,415.59/78,628.92 = 30,228.48/x
  3. Step 3: Cross multiply
    52,415.59x = 78,628.92 × 30,228.48
  4. Step 4: Simplify right side
    52,415.59x = 2,376,832,735.64
  5. Step 5: Solve for x
    x = 2,376,832,735.64/52,415.59
  6. Step 6: Final answer
    x = 45,345.91

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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.