Home / 31,895.76-47,799.80-16,280.56

Finding the Fourth Proportional to 31,895.76, 47,799.80 and 16,280.56

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Solution

The fourth proportional to 31,895.76, 47,799.80 and 16,280.56 is: 24,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.76 : 47,799.80 = 16,280.56 : x
  2. Step 2: Convert to fraction form
    31,895.76/47,799.80 = 16,280.56/x
  3. Step 3: Cross multiply
    31,895.76x = 47,799.80 × 16,280.56
  4. Step 4: Simplify right side
    31,895.76x = 778,207,511.89
  5. Step 5: Solve for x
    x = 778,207,511.89/31,895.76
  6. Step 6: Final answer
    x = 24,398.46

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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.