Home / 71,413.71-98,550.90-39,582.51

Finding the Fourth Proportional to 71,413.71, 98,550.90 and 39,582.51

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Solution

The fourth proportional to 71,413.71, 98,550.90 and 39,582.51 is: 54,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,413.71 : 98,550.90 = 39,582.51 : x
  2. Step 2: Convert to fraction form
    71,413.71/98,550.90 = 39,582.51/x
  3. Step 3: Cross multiply
    71,413.71x = 98,550.90 × 39,582.51
  4. Step 4: Simplify right side
    71,413.71x = 3,900,891,984.76
  5. Step 5: Solve for x
    x = 3,900,891,984.76/71,413.71
  6. Step 6: Final answer
    x = 54,623.85

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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.