Home / 36,275.04-54,413.64-9,980.28

Finding the Fourth Proportional to 36,275.04, 54,413.64 and 9,980.28

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Solution

The fourth proportional to 36,275.04, 54,413.64 and 9,980.28 is: 14,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,275.04 : 54,413.64 = 9,980.28 : x
  2. Step 2: Convert to fraction form
    36,275.04/54,413.64 = 9,980.28/x
  3. Step 3: Cross multiply
    36,275.04x = 54,413.64 × 9,980.28
  4. Step 4: Simplify right side
    36,275.04x = 543,063,363.02
  5. Step 5: Solve for x
    x = 543,063,363.02/36,275.04
  6. Step 6: Final answer
    x = 14,970.72

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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.