Home / 42,015.31-63,047.57-23,310.99

Finding the Fourth Proportional to 42,015.31, 63,047.57 and 23,310.99

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Solution

The fourth proportional to 42,015.31, 63,047.57 and 23,310.99 is: 34,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.31 : 63,047.57 = 23,310.99 : x
  2. Step 2: Convert to fraction form
    42,015.31/63,047.57 = 23,310.99/x
  3. Step 3: Cross multiply
    42,015.31x = 63,047.57 × 23,310.99
  4. Step 4: Simplify right side
    42,015.31x = 1,469,701,157.24
  5. Step 5: Solve for x
    x = 1,469,701,157.24/42,015.31
  6. Step 6: Final answer
    x = 34,980.14

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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.