Home / 52,522.02-78,717.42-20,899.62

Finding the Fourth Proportional to 52,522.02, 78,717.42 and 20,899.62

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Solution

The fourth proportional to 52,522.02, 78,717.42 and 20,899.62 is: 31,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.02 : 78,717.42 = 20,899.62 : x
  2. Step 2: Convert to fraction form
    52,522.02/78,717.42 = 20,899.62/x
  3. Step 3: Cross multiply
    52,522.02x = 78,717.42 × 20,899.62
  4. Step 4: Simplify right side
    52,522.02x = 1,645,164,165.38
  5. Step 5: Solve for x
    x = 1,645,164,165.38/52,522.02
  6. Step 6: Final answer
    x = 31,323.32

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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.