Home / 65,411.24-98,133.18-18,664.52

Finding the Fourth Proportional to 65,411.24, 98,133.18 and 18,664.52

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Solution

The fourth proportional to 65,411.24, 98,133.18 and 18,664.52 is: 28,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.24 : 98,133.18 = 18,664.52 : x
  2. Step 2: Convert to fraction form
    65,411.24/98,133.18 = 18,664.52/x
  3. Step 3: Cross multiply
    65,411.24x = 98,133.18 × 18,664.52
  4. Step 4: Simplify right side
    65,411.24x = 1,831,608,700.77
  5. Step 5: Solve for x
    x = 1,831,608,700.77/65,411.24
  6. Step 6: Final answer
    x = 28,001.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.