Home / 47,552.16-71,344.80-21,259.68

Finding the Fourth Proportional to 47,552.16, 71,344.80 and 21,259.68

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Solution

The fourth proportional to 47,552.16, 71,344.80 and 21,259.68 is: 31,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,552.16 : 71,344.80 = 21,259.68 : x
  2. Step 2: Convert to fraction form
    47,552.16/71,344.80 = 21,259.68/x
  3. Step 3: Cross multiply
    47,552.16x = 71,344.80 × 21,259.68
  4. Step 4: Simplify right side
    47,552.16x = 1,516,767,617.66
  5. Step 5: Solve for x
    x = 1,516,767,617.66/47,552.16
  6. Step 6: Final answer
    x = 31,896.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.