Home / 53,511.93-73,847.69-29,315.20

Finding the Fourth Proportional to 53,511.93, 73,847.69 and 29,315.20

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Solution

The fourth proportional to 53,511.93, 73,847.69 and 29,315.20 is: 40,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.93 : 73,847.69 = 29,315.20 : x
  2. Step 2: Convert to fraction form
    53,511.93/73,847.69 = 29,315.20/x
  3. Step 3: Cross multiply
    53,511.93x = 73,847.69 × 29,315.20
  4. Step 4: Simplify right side
    53,511.93x = 2,164,859,655.31
  5. Step 5: Solve for x
    x = 2,164,859,655.31/53,511.93
  6. Step 6: Final answer
    x = 40,455.65

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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.