Home / 31,511.98-47,267.83-9,325.50

Finding the Fourth Proportional to 31,511.98, 47,267.83 and 9,325.50

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Solution

The fourth proportional to 31,511.98, 47,267.83 and 9,325.50 is: 13,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.98 : 47,267.83 = 9,325.50 : x
  2. Step 2: Convert to fraction form
    31,511.98/47,267.83 = 9,325.50/x
  3. Step 3: Cross multiply
    31,511.98x = 47,267.83 × 9,325.50
  4. Step 4: Simplify right side
    31,511.98x = 440,796,148.67
  5. Step 5: Solve for x
    x = 440,796,148.67/31,511.98
  6. Step 6: Final answer
    x = 13,988.21

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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.