Home / 53,218.16-73,439.84-29,344.40

Finding the Fourth Proportional to 53,218.16, 73,439.84 and 29,344.40

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Solution

The fourth proportional to 53,218.16, 73,439.84 and 29,344.40 is: 40,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.16 : 73,439.84 = 29,344.40 : x
  2. Step 2: Convert to fraction form
    53,218.16/73,439.84 = 29,344.40/x
  3. Step 3: Cross multiply
    53,218.16x = 73,439.84 × 29,344.40
  4. Step 4: Simplify right side
    53,218.16x = 2,155,048,040.90
  5. Step 5: Solve for x
    x = 2,155,048,040.90/53,218.16
  6. Step 6: Final answer
    x = 40,494.60

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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.