Home / 40,556.28-56,006.12-38,347.36

Finding the Fourth Proportional to 40,556.28, 56,006.12 and 38,347.36

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Solution

The fourth proportional to 40,556.28, 56,006.12 and 38,347.36 is: 52,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,556.28 : 56,006.12 = 38,347.36 : x
  2. Step 2: Convert to fraction form
    40,556.28/56,006.12 = 38,347.36/x
  3. Step 3: Cross multiply
    40,556.28x = 56,006.12 × 38,347.36
  4. Step 4: Simplify right side
    40,556.28x = 2,147,686,845.84
  5. Step 5: Solve for x
    x = 2,147,686,845.84/40,556.28
  6. Step 6: Final answer
    x = 52,955.72

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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.