Home / 31,730.62-47,595.75-8,038.12

Finding the Fourth Proportional to 31,730.62, 47,595.75 and 8,038.12

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Solution

The fourth proportional to 31,730.62, 47,595.75 and 8,038.12 is: 12,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.62 : 47,595.75 = 8,038.12 : x
  2. Step 2: Convert to fraction form
    31,730.62/47,595.75 = 8,038.12/x
  3. Step 3: Cross multiply
    31,730.62x = 47,595.75 × 8,038.12
  4. Step 4: Simplify right side
    31,730.62x = 382,580,349.99
  5. Step 5: Solve for x
    x = 382,580,349.99/31,730.62
  6. Step 6: Final answer
    x = 12,057.13

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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.