Home / 40,801.17-61,173.04-15,820.16

Finding the Fourth Proportional to 40,801.17, 61,173.04 and 15,820.16

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Solution

The fourth proportional to 40,801.17, 61,173.04 and 15,820.16 is: 23,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,801.17 : 61,173.04 = 15,820.16 : x
  2. Step 2: Convert to fraction form
    40,801.17/61,173.04 = 15,820.16/x
  3. Step 3: Cross multiply
    40,801.17x = 61,173.04 × 15,820.16
  4. Step 4: Simplify right side
    40,801.17x = 967,767,308.83
  5. Step 5: Solve for x
    x = 967,767,308.83/40,801.17
  6. Step 6: Final answer
    x = 23,719.11

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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.