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Finding the Fourth Proportional to 45,674.64, 63,029.16 and 25,531.20

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Solution

The fourth proportional to 45,674.64, 63,029.16 and 25,531.20 is: 35,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.64 : 63,029.16 = 25,531.20 : x
  2. Step 2: Convert to fraction form
    45,674.64/63,029.16 = 25,531.20/x
  3. Step 3: Cross multiply
    45,674.64x = 63,029.16 × 25,531.20
  4. Step 4: Simplify right side
    45,674.64x = 1,609,210,089.79
  5. Step 5: Solve for x
    x = 1,609,210,089.79/45,674.64
  6. Step 6: Final answer
    x = 35,232.03

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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.