Home / 38,330.67-52,895.94-21,334.65

Finding the Fourth Proportional to 38,330.67, 52,895.94 and 21,334.65

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Solution

The fourth proportional to 38,330.67, 52,895.94 and 21,334.65 is: 29,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.67 : 52,895.94 = 21,334.65 : x
  2. Step 2: Convert to fraction form
    38,330.67/52,895.94 = 21,334.65/x
  3. Step 3: Cross multiply
    38,330.67x = 52,895.94 × 21,334.65
  4. Step 4: Simplify right side
    38,330.67x = 1,128,516,366.32
  5. Step 5: Solve for x
    x = 1,128,516,366.32/38,330.67
  6. Step 6: Final answer
    x = 29,441.60

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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.