Home / 49,572.54-68,431.23-30,455.19

Finding the Fourth Proportional to 49,572.54, 68,431.23 and 30,455.19

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Solution

The fourth proportional to 49,572.54, 68,431.23 and 30,455.19 is: 42,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.54 : 68,431.23 = 30,455.19 : x
  2. Step 2: Convert to fraction form
    49,572.54/68,431.23 = 30,455.19/x
  3. Step 3: Cross multiply
    49,572.54x = 68,431.23 × 30,455.19
  4. Step 4: Simplify right side
    49,572.54x = 2,084,086,111.58
  5. Step 5: Solve for x
    x = 2,084,086,111.58/49,572.54
  6. Step 6: Final answer
    x = 42,041.14

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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.