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Finding the Fourth Proportional to 45,574.76, 62,893.05 and 25,431.42

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Solution

The fourth proportional to 45,574.76, 62,893.05 and 25,431.42 is: 35,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,574.76 : 62,893.05 = 25,431.42 : x
  2. Step 2: Convert to fraction form
    45,574.76/62,893.05 = 25,431.42/x
  3. Step 3: Cross multiply
    45,574.76x = 62,893.05 × 25,431.42
  4. Step 4: Simplify right side
    45,574.76x = 1,599,459,710.11
  5. Step 5: Solve for x
    x = 1,599,459,710.11/45,574.76
  6. Step 6: Final answer
    x = 35,095.30

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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.