Home / 53,378.05-73,658.55-29,503.30

Finding the Fourth Proportional to 53,378.05, 73,658.55 and 29,503.30

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Solution

The fourth proportional to 53,378.05, 73,658.55 and 29,503.30 is: 40,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.05 : 73,658.55 = 29,503.30 : x
  2. Step 2: Convert to fraction form
    53,378.05/73,658.55 = 29,503.30/x
  3. Step 3: Cross multiply
    53,378.05x = 73,658.55 × 29,503.30
  4. Step 4: Simplify right side
    53,378.05x = 2,173,169,929.92
  5. Step 5: Solve for x
    x = 2,173,169,929.92/53,378.05
  6. Step 6: Final answer
    x = 40,712.80

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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.