Home / 30,275.65-45,413.61-10,554.18

Finding the Fourth Proportional to 30,275.65, 45,413.61 and 10,554.18

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Solution

The fourth proportional to 30,275.65, 45,413.61 and 10,554.18 is: 15,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.65 : 45,413.61 = 10,554.18 : x
  2. Step 2: Convert to fraction form
    30,275.65/45,413.61 = 10,554.18/x
  3. Step 3: Cross multiply
    30,275.65x = 45,413.61 × 10,554.18
  4. Step 4: Simplify right side
    30,275.65x = 479,303,414.39
  5. Step 5: Solve for x
    x = 479,303,414.39/30,275.65
  6. Step 6: Final answer
    x = 15,831.32

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Similar ratio
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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.