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Finding the Fourth Proportional to 45,802.92, 63,210 and 25,659.30

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Solution

The fourth proportional to 45,802.92, 63,210 and 25,659.30 is: 35,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802.92 : 63,210 = 25,659.30 : x
  2. Step 2: Convert to fraction form
    45,802.92/63,210 = 25,659.30/x
  3. Step 3: Cross multiply
    45,802.92x = 63,210 × 25,659.30
  4. Step 4: Simplify right side
    45,802.92x = 1,621,924,353
  5. Step 5: Solve for x
    x = 1,621,924,353/45,802.92
  6. Step 6: Final answer
    x = 35,410.94

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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.