Home / 31,575.98-47,322.93-12,834.20

Finding the Fourth Proportional to 31,575.98, 47,322.93 and 12,834.20

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Solution

The fourth proportional to 31,575.98, 47,322.93 and 12,834.20 is: 19,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.98 : 47,322.93 = 12,834.20 : x
  2. Step 2: Convert to fraction form
    31,575.98/47,322.93 = 12,834.20/x
  3. Step 3: Cross multiply
    31,575.98x = 47,322.93 × 12,834.20
  4. Step 4: Simplify right side
    31,575.98x = 607,351,848.45
  5. Step 5: Solve for x
    x = 607,351,848.45/31,575.98
  6. Step 6: Final answer
    x = 19,234.62

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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.