Home / 31,424.02-43,365.45-17,276.56

Finding the Fourth Proportional to 31,424.02, 43,365.45 and 17,276.56

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Solution

The fourth proportional to 31,424.02, 43,365.45 and 17,276.56 is: 23,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.02 : 43,365.45 = 17,276.56 : x
  2. Step 2: Convert to fraction form
    31,424.02/43,365.45 = 17,276.56/x
  3. Step 3: Cross multiply
    31,424.02x = 43,365.45 × 17,276.56
  4. Step 4: Simplify right side
    31,424.02x = 749,205,798.85
  5. Step 5: Solve for x
    x = 749,205,798.85/31,424.02
  6. Step 6: Final answer
    x = 23,841.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.