Home / 35,387.16-53,099.20-14,342.75

Finding the Fourth Proportional to 35,387.16, 53,099.20 and 14,342.75

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Solution

The fourth proportional to 35,387.16, 53,099.20 and 14,342.75 is: 21,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.16 : 53,099.20 = 14,342.75 : x
  2. Step 2: Convert to fraction form
    35,387.16/53,099.20 = 14,342.75/x
  3. Step 3: Cross multiply
    35,387.16x = 53,099.20 × 14,342.75
  4. Step 4: Simplify right side
    35,387.16x = 761,588,720.36
  5. Step 5: Solve for x
    x = 761,588,720.36/35,387.16
  6. Step 6: Final answer
    x = 21,521.61

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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.