Home / 42,168.32-63,252.46-17,220.11

Finding the Fourth Proportional to 42,168.32, 63,252.46 and 17,220.11

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Solution

The fourth proportional to 42,168.32, 63,252.46 and 17,220.11 is: 25,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,168.32 : 63,252.46 = 17,220.11 : x
  2. Step 2: Convert to fraction form
    42,168.32/63,252.46 = 17,220.11/x
  3. Step 3: Cross multiply
    42,168.32x = 63,252.46 × 17,220.11
  4. Step 4: Simplify right side
    42,168.32x = 1,089,214,434.05
  5. Step 5: Solve for x
    x = 1,089,214,434.05/42,168.32
  6. Step 6: Final answer
    x = 25,830.16

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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.