Home / 42,360.70-63,499.74-20,168.11

Finding the Fourth Proportional to 42,360.70, 63,499.74 and 20,168.11

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Solution

The fourth proportional to 42,360.70, 63,499.74 and 20,168.11 is: 30,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.70 : 63,499.74 = 20,168.11 : x
  2. Step 2: Convert to fraction form
    42,360.70/63,499.74 = 20,168.11/x
  3. Step 3: Cross multiply
    42,360.70x = 63,499.74 × 20,168.11
  4. Step 4: Simplify right side
    42,360.70x = 1,280,669,741.29
  5. Step 5: Solve for x
    x = 1,280,669,741.29/42,360.70
  6. Step 6: Final answer
    x = 30,232.50

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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.