Home / 42,000.45-57,940.17-26,880.99

Finding the Fourth Proportional to 42,000.45, 57,940.17 and 26,880.99

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Solution

The fourth proportional to 42,000.45, 57,940.17 and 26,880.99 is: 37,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.45 : 57,940.17 = 26,880.99 : x
  2. Step 2: Convert to fraction form
    42,000.45/57,940.17 = 26,880.99/x
  3. Step 3: Cross multiply
    42,000.45x = 57,940.17 × 26,880.99
  4. Step 4: Simplify right side
    42,000.45x = 1,557,489,130.37
  5. Step 5: Solve for x
    x = 1,557,489,130.37/42,000.45
  6. Step 6: Final answer
    x = 37,082.68

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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.