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Finding the Fourth Proportional to 45,695.40, 63,065.40 and 25,553.40

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Solution

The fourth proportional to 45,695.40, 63,065.40 and 25,553.40 is: 35,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.40 : 63,065.40 = 25,553.40 : x
  2. Step 2: Convert to fraction form
    45,695.40/63,065.40 = 25,553.40/x
  3. Step 3: Cross multiply
    45,695.40x = 63,065.40 × 25,553.40
  4. Step 4: Simplify right side
    45,695.40x = 1,611,535,392.36
  5. Step 5: Solve for x
    x = 1,611,535,392.36/45,695.40
  6. Step 6: Final answer
    x = 35,266.91

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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.