Home / 31,566.78-47,358.41-10,510.02

Finding the Fourth Proportional to 31,566.78, 47,358.41 and 10,510.02

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Solution

The fourth proportional to 31,566.78, 47,358.41 and 10,510.02 is: 15,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.78 : 47,358.41 = 10,510.02 : x
  2. Step 2: Convert to fraction form
    31,566.78/47,358.41 = 10,510.02/x
  3. Step 3: Cross multiply
    31,566.78x = 47,358.41 × 10,510.02
  4. Step 4: Simplify right side
    31,566.78x = 497,737,783.72
  5. Step 5: Solve for x
    x = 497,737,783.72/31,566.78
  6. Step 6: Final answer
    x = 15,767.77

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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.