Home / 31,688.48-47,532.16-10,911.52

Finding the Fourth Proportional to 31,688.48, 47,532.16 and 10,911.52

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Solution

The fourth proportional to 31,688.48, 47,532.16 and 10,911.52 is: 16,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.48 : 47,532.16 = 10,911.52 : x
  2. Step 2: Convert to fraction form
    31,688.48/47,532.16 = 10,911.52/x
  3. Step 3: Cross multiply
    31,688.48x = 47,532.16 × 10,911.52
  4. Step 4: Simplify right side
    31,688.48x = 518,648,114.48
  5. Step 5: Solve for x
    x = 518,648,114.48/31,688.48
  6. Step 6: Final answer
    x = 16,367.09

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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.