Home / 35,523.14-49,013.06-20,420.10

Finding the Fourth Proportional to 35,523.14, 49,013.06 and 20,420.10

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Solution

The fourth proportional to 35,523.14, 49,013.06 and 20,420.10 is: 28,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.14 : 49,013.06 = 20,420.10 : x
  2. Step 2: Convert to fraction form
    35,523.14/49,013.06 = 20,420.10/x
  3. Step 3: Cross multiply
    35,523.14x = 49,013.06 × 20,420.10
  4. Step 4: Simplify right side
    35,523.14x = 1,000,851,484.41
  5. Step 5: Solve for x
    x = 1,000,851,484.41/35,523.14
  6. Step 6: Final answer
    x = 28,174.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.