Home / 47,053.71-64,871.28-40,310.46

Finding the Fourth Proportional to 47,053.71, 64,871.28 and 40,310.46

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Solution

The fourth proportional to 47,053.71, 64,871.28 and 40,310.46 is: 55,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,053.71 : 64,871.28 = 40,310.46 : x
  2. Step 2: Convert to fraction form
    47,053.71/64,871.28 = 40,310.46/x
  3. Step 3: Cross multiply
    47,053.71x = 64,871.28 × 40,310.46
  4. Step 4: Simplify right side
    47,053.71x = 2,614,991,137.59
  5. Step 5: Solve for x
    x = 2,614,991,137.59/47,053.71
  6. Step 6: Final answer
    x = 55,574.60

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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.