Home / 39,923.16-55,091.93-22,915.59

Finding the Fourth Proportional to 39,923.16, 55,091.93 and 22,915.59

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Solution

The fourth proportional to 39,923.16, 55,091.93 and 22,915.59 is: 31,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.16 : 55,091.93 = 22,915.59 : x
  2. Step 2: Convert to fraction form
    39,923.16/55,091.93 = 22,915.59/x
  3. Step 3: Cross multiply
    39,923.16x = 55,091.93 × 22,915.59
  4. Step 4: Simplify right side
    39,923.16x = 1,262,463,965.61
  5. Step 5: Solve for x
    x = 1,262,463,965.61/39,923.16
  6. Step 6: Final answer
    x = 31,622.35

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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.