Home / 52,293.06-78,439.59-21,150.18

Finding the Fourth Proportional to 52,293.06, 78,439.59 and 21,150.18

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Solution

The fourth proportional to 52,293.06, 78,439.59 and 21,150.18 is: 31,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.06 : 78,439.59 = 21,150.18 : x
  2. Step 2: Convert to fraction form
    52,293.06/78,439.59 = 21,150.18/x
  3. Step 3: Cross multiply
    52,293.06x = 78,439.59 × 21,150.18
  4. Step 4: Simplify right side
    52,293.06x = 1,659,011,447.63
  5. Step 5: Solve for x
    x = 1,659,011,447.63/52,293.06
  6. Step 6: Final answer
    x = 31,725.27

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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.