Home / 53,184.20-73,398.15-30,530.52

Finding the Fourth Proportional to 53,184.20, 73,398.15 and 30,530.52

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Solution

The fourth proportional to 53,184.20, 73,398.15 and 30,530.52 is: 42,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,184.20 : 73,398.15 = 30,530.52 : x
  2. Step 2: Convert to fraction form
    53,184.20/73,398.15 = 30,530.52/x
  3. Step 3: Cross multiply
    53,184.20x = 73,398.15 × 30,530.52
  4. Step 4: Simplify right side
    53,184.20x = 2,240,883,686.54
  5. Step 5: Solve for x
    x = 2,240,883,686.54/53,184.20
  6. Step 6: Final answer
    x = 42,134.39

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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.