Home / 42,025.03-63,020.23-18,635.06

Finding the Fourth Proportional to 42,025.03, 63,020.23 and 18,635.06

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Solution

The fourth proportional to 42,025.03, 63,020.23 and 18,635.06 is: 27,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,025.03 : 63,020.23 = 18,635.06 : x
  2. Step 2: Convert to fraction form
    42,025.03/63,020.23 = 18,635.06/x
  3. Step 3: Cross multiply
    42,025.03x = 63,020.23 × 18,635.06
  4. Step 4: Simplify right side
    42,025.03x = 1,174,385,878.23
  5. Step 5: Solve for x
    x = 1,174,385,878.23/42,025.03
  6. Step 6: Final answer
    x = 27,944.92

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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.