Home / 20,352.95-30,329.54-19,684.02

Finding the Fourth Proportional to 20,352.95, 30,329.54 and 19,684.02

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Solution

The fourth proportional to 20,352.95, 30,329.54 and 19,684.02 is: 29,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.95 : 30,329.54 = 19,684.02 : x
  2. Step 2: Convert to fraction form
    20,352.95/30,329.54 = 19,684.02/x
  3. Step 3: Cross multiply
    20,352.95x = 30,329.54 × 19,684.02
  4. Step 4: Simplify right side
    20,352.95x = 597,007,321.16
  5. Step 5: Solve for x
    x = 597,007,321.16/20,352.95
  6. Step 6: Final answer
    x = 29,332.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.