Home / 39,830.56-54,965.73-21,925.18

Finding the Fourth Proportional to 39,830.56, 54,965.73 and 21,925.18

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Solution

The fourth proportional to 39,830.56, 54,965.73 and 21,925.18 is: 30,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.56 : 54,965.73 = 21,925.18 : x
  2. Step 2: Convert to fraction form
    39,830.56/54,965.73 = 21,925.18/x
  3. Step 3: Cross multiply
    39,830.56x = 54,965.73 × 21,925.18
  4. Step 4: Simplify right side
    39,830.56x = 1,205,133,524.08
  5. Step 5: Solve for x
    x = 1,205,133,524.08/39,830.56
  6. Step 6: Final answer
    x = 30,256.50

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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.