Home / 34,356.39-47,413.53-20,925.49

Finding the Fourth Proportional to 34,356.39, 47,413.53 and 20,925.49

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Solution

The fourth proportional to 34,356.39, 47,413.53 and 20,925.49 is: 28,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.39 : 47,413.53 = 20,925.49 : x
  2. Step 2: Convert to fraction form
    34,356.39/47,413.53 = 20,925.49/x
  3. Step 3: Cross multiply
    34,356.39x = 47,413.53 × 20,925.49
  4. Step 4: Simplify right side
    34,356.39x = 992,151,347.88
  5. Step 5: Solve for x
    x = 992,151,347.88/34,356.39
  6. Step 6: Final answer
    x = 28,878.22

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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.