Home / 53,120.07-79,599.78-38,314.08

Finding the Fourth Proportional to 53,120.07, 79,599.78 and 38,314.08

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Solution

The fourth proportional to 53,120.07, 79,599.78 and 38,314.08 is: 57,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.07 : 79,599.78 = 38,314.08 : x
  2. Step 2: Convert to fraction form
    53,120.07/79,599.78 = 38,314.08/x
  3. Step 3: Cross multiply
    53,120.07x = 79,599.78 × 38,314.08
  4. Step 4: Simplify right side
    53,120.07x = 3,049,792,338.90
  5. Step 5: Solve for x
    x = 3,049,792,338.90/53,120.07
  6. Step 6: Final answer
    x = 57,413.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.