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Finding the Fourth Proportional to 45,803.64, 63,207.72 and 25,661.71

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Solution

The fourth proportional to 45,803.64, 63,207.72 and 25,661.71 is: 35,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,803.64 : 63,207.72 = 25,661.71 : x
  2. Step 2: Convert to fraction form
    45,803.64/63,207.72 = 25,661.71/x
  3. Step 3: Cross multiply
    45,803.64x = 63,207.72 × 25,661.71
  4. Step 4: Simplify right side
    45,803.64x = 1,622,018,187.24
  5. Step 5: Solve for x
    x = 1,622,018,187.24/45,803.64
  6. Step 6: Final answer
    x = 35,412.43

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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.