Home / 31,488.41-47,232.54-21,597.68

Finding the Fourth Proportional to 31,488.41, 47,232.54 and 21,597.68

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Solution

The fourth proportional to 31,488.41, 47,232.54 and 21,597.68 is: 32,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.41 : 47,232.54 = 21,597.68 : x
  2. Step 2: Convert to fraction form
    31,488.41/47,232.54 = 21,597.68/x
  3. Step 3: Cross multiply
    31,488.41x = 47,232.54 × 21,597.68
  4. Step 4: Simplify right side
    31,488.41x = 1,020,113,048.34
  5. Step 5: Solve for x
    x = 1,020,113,048.34/31,488.41
  6. Step 6: Final answer
    x = 32,396.47

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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.