Home / 69,148.36-95,425.30-39,342.28

Finding the Fourth Proportional to 69,148.36, 95,425.30 and 39,342.28

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Solution

The fourth proportional to 69,148.36, 95,425.30 and 39,342.28 is: 54,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,148.36 : 95,425.30 = 39,342.28 : x
  2. Step 2: Convert to fraction form
    69,148.36/95,425.30 = 39,342.28/x
  3. Step 3: Cross multiply
    69,148.36x = 95,425.30 × 39,342.28
  4. Step 4: Simplify right side
    69,148.36x = 3,754,248,871.68
  5. Step 5: Solve for x
    x = 3,754,248,871.68/69,148.36
  6. Step 6: Final answer
    x = 54,292.67

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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.