Home / 31,550.04-47,330.64-10,768.68

Finding the Fourth Proportional to 31,550.04, 47,330.64 and 10,768.68

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Solution

The fourth proportional to 31,550.04, 47,330.64 and 10,768.68 is: 16,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.04 : 47,330.64 = 10,768.68 : x
  2. Step 2: Convert to fraction form
    31,550.04/47,330.64 = 10,768.68/x
  3. Step 3: Cross multiply
    31,550.04x = 47,330.64 × 10,768.68
  4. Step 4: Simplify right side
    31,550.04x = 509,688,516.36
  5. Step 5: Solve for x
    x = 509,688,516.36/31,550.04
  6. Step 6: Final answer
    x = 16,154.92

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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.