Home / 39,499.83-54,513.45-21,597.45

Finding the Fourth Proportional to 39,499.83, 54,513.45 and 21,597.45

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Solution

The fourth proportional to 39,499.83, 54,513.45 and 21,597.45 is: 29,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.83 : 54,513.45 = 21,597.45 : x
  2. Step 2: Convert to fraction form
    39,499.83/54,513.45 = 21,597.45/x
  3. Step 3: Cross multiply
    39,499.83x = 54,513.45 × 21,597.45
  4. Step 4: Simplify right side
    39,499.83x = 1,177,351,510.70
  5. Step 5: Solve for x
    x = 1,177,351,510.70/39,499.83
  6. Step 6: Final answer
    x = 29,806.50

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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.