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Finding the Fourth Proportional to 45,653, 63,002.50 and 25,510.76

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Solution

The fourth proportional to 45,653, 63,002.50 and 25,510.76 is: 35,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,653 : 63,002.50 = 25,510.76 : x
  2. Step 2: Convert to fraction form
    45,653/63,002.50 = 25,510.76/x
  3. Step 3: Cross multiply
    45,653x = 63,002.50 × 25,510.76
  4. Step 4: Simplify right side
    45,653x = 1,607,241,656.90
  5. Step 5: Solve for x
    x = 1,607,241,656.90/45,653
  6. Step 6: Final answer
    x = 35,205.61

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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.