Home / 31,710.69-47,562.39-10,649.88

Finding the Fourth Proportional to 31,710.69, 47,562.39 and 10,649.88

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Solution

The fourth proportional to 31,710.69, 47,562.39 and 10,649.88 is: 15,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.69 : 47,562.39 = 10,649.88 : x
  2. Step 2: Convert to fraction form
    31,710.69/47,562.39 = 10,649.88/x
  3. Step 3: Cross multiply
    31,710.69x = 47,562.39 × 10,649.88
  4. Step 4: Simplify right side
    31,710.69x = 506,533,746.01
  5. Step 5: Solve for x
    x = 506,533,746.01/31,710.69
  6. Step 6: Final answer
    x = 15,973.60

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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.