Home / 52,055.46-78,097.95-20,912.58

Finding the Fourth Proportional to 52,055.46, 78,097.95 and 20,912.58

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Solution

The fourth proportional to 52,055.46, 78,097.95 and 20,912.58 is: 31,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,055.46 : 78,097.95 = 20,912.58 : x
  2. Step 2: Convert to fraction form
    52,055.46/78,097.95 = 20,912.58/x
  3. Step 3: Cross multiply
    52,055.46x = 78,097.95 × 20,912.58
  4. Step 4: Simplify right side
    52,055.46x = 1,633,229,627.21
  5. Step 5: Solve for x
    x = 1,633,229,627.21/52,055.46
  6. Step 6: Final answer
    x = 31,374.80

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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.