Home / 39,836.93-54,972.81-22,840.35

Finding the Fourth Proportional to 39,836.93, 54,972.81 and 22,840.35

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Solution

The fourth proportional to 39,836.93, 54,972.81 and 22,840.35 is: 31,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,836.93 : 54,972.81 = 22,840.35 : x
  2. Step 2: Convert to fraction form
    39,836.93/54,972.81 = 22,840.35/x
  3. Step 3: Cross multiply
    39,836.93x = 54,972.81 × 22,840.35
  4. Step 4: Simplify right side
    39,836.93x = 1,255,598,220.88
  5. Step 5: Solve for x
    x = 1,255,598,220.88/39,836.93
  6. Step 6: Final answer
    x = 31,518.45

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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.