Home / 39,042.24-58,427.16-31,940.16

Finding the Fourth Proportional to 39,042.24, 58,427.16 and 31,940.16

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Solution

The fourth proportional to 39,042.24, 58,427.16 and 31,940.16 is: 47,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042.24 : 58,427.16 = 31,940.16 : x
  2. Step 2: Convert to fraction form
    39,042.24/58,427.16 = 31,940.16/x
  3. Step 3: Cross multiply
    39,042.24x = 58,427.16 × 31,940.16
  4. Step 4: Simplify right side
    39,042.24x = 1,866,172,838.75
  5. Step 5: Solve for x
    x = 1,866,172,838.75/39,042.24
  6. Step 6: Final answer
    x = 47,798.82

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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.