Home / 31,566.06-47,338.81-10,500.45

Finding the Fourth Proportional to 31,566.06, 47,338.81 and 10,500.45

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Solution

The fourth proportional to 31,566.06, 47,338.81 and 10,500.45 is: 15,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.06 : 47,338.81 = 10,500.45 : x
  2. Step 2: Convert to fraction form
    31,566.06/47,338.81 = 10,500.45/x
  3. Step 3: Cross multiply
    31,566.06x = 47,338.81 × 10,500.45
  4. Step 4: Simplify right side
    31,566.06x = 497,078,603.69
  5. Step 5: Solve for x
    x = 497,078,603.69/31,566.06
  6. Step 6: Final answer
    x = 15,747.25

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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.