Home / 53,491.18-73,820.55-29,620.48

Finding the Fourth Proportional to 53,491.18, 73,820.55 and 29,620.48

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Solution

The fourth proportional to 53,491.18, 73,820.55 and 29,620.48 is: 40,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.18 : 73,820.55 = 29,620.48 : x
  2. Step 2: Convert to fraction form
    53,491.18/73,820.55 = 29,620.48/x
  3. Step 3: Cross multiply
    53,491.18x = 73,820.55 × 29,620.48
  4. Step 4: Simplify right side
    53,491.18x = 2,186,600,124.86
  5. Step 5: Solve for x
    x = 2,186,600,124.86/53,491.18
  6. Step 6: Final answer
    x = 40,877.77

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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.