Home / 31,712.28-43,762.98-17,564.82

Finding the Fourth Proportional to 31,712.28, 43,762.98 and 17,564.82

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Solution

The fourth proportional to 31,712.28, 43,762.98 and 17,564.82 is: 24,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.28 : 43,762.98 = 17,564.82 : x
  2. Step 2: Convert to fraction form
    31,712.28/43,762.98 = 17,564.82/x
  3. Step 3: Cross multiply
    31,712.28x = 43,762.98 × 17,564.82
  4. Step 4: Simplify right side
    31,712.28x = 768,688,866.36
  5. Step 5: Solve for x
    x = 768,688,866.36/31,712.28
  6. Step 6: Final answer
    x = 24,239.47

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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.