Home / 51,222.32-70,719.08-39,263.12

Finding the Fourth Proportional to 51,222.32, 70,719.08 and 39,263.12

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Solution

The fourth proportional to 51,222.32, 70,719.08 and 39,263.12 is: 54,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.32 : 70,719.08 = 39,263.12 : x
  2. Step 2: Convert to fraction form
    51,222.32/70,719.08 = 39,263.12/x
  3. Step 3: Cross multiply
    51,222.32x = 70,719.08 × 39,263.12
  4. Step 4: Simplify right side
    51,222.32x = 2,776,651,724.33
  5. Step 5: Solve for x
    x = 2,776,651,724.33/51,222.32
  6. Step 6: Final answer
    x = 54,207.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.