Home / 69,572.39-96,009.93-39,357.07

Finding the Fourth Proportional to 69,572.39, 96,009.93 and 39,357.07

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Solution

The fourth proportional to 69,572.39, 96,009.93 and 39,357.07 is: 54,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.39 : 96,009.93 = 39,357.07 : x
  2. Step 2: Convert to fraction form
    69,572.39/96,009.93 = 39,357.07/x
  3. Step 3: Cross multiply
    69,572.39x = 96,009.93 × 39,357.07
  4. Step 4: Simplify right side
    69,572.39x = 3,778,669,295.68
  5. Step 5: Solve for x
    x = 3,778,669,295.68/69,572.39
  6. Step 6: Final answer
    x = 54,312.78

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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.