Home / 53,381.04-80,019.72-22,225.20

Finding the Fourth Proportional to 53,381.04, 80,019.72 and 22,225.20

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Solution

The fourth proportional to 53,381.04, 80,019.72 and 22,225.20 is: 33,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.04 : 80,019.72 = 22,225.20 : x
  2. Step 2: Convert to fraction form
    53,381.04/80,019.72 = 22,225.20/x
  3. Step 3: Cross multiply
    53,381.04x = 80,019.72 × 22,225.20
  4. Step 4: Simplify right side
    53,381.04x = 1,778,454,280.94
  5. Step 5: Solve for x
    x = 1,778,454,280.94/53,381.04
  6. Step 6: Final answer
    x = 33,316.22

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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.