Home / 53,390.14-73,675.23-29,515.39

Finding the Fourth Proportional to 53,390.14, 73,675.23 and 29,515.39

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Solution

The fourth proportional to 53,390.14, 73,675.23 and 29,515.39 is: 40,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.14 : 73,675.23 = 29,515.39 : x
  2. Step 2: Convert to fraction form
    53,390.14/73,675.23 = 29,515.39/x
  3. Step 3: Cross multiply
    53,390.14x = 73,675.23 × 29,515.39
  4. Step 4: Simplify right side
    53,390.14x = 2,174,553,146.79
  5. Step 5: Solve for x
    x = 2,174,553,146.79/53,390.14
  6. Step 6: Final answer
    x = 40,729.49

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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.