Home / 63,239.22-87,168.78-42,814.86

Finding the Fourth Proportional to 63,239.22, 87,168.78 and 42,814.86

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Solution

The fourth proportional to 63,239.22, 87,168.78 and 42,814.86 is: 59,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,239.22 : 87,168.78 = 42,814.86 : x
  2. Step 2: Convert to fraction form
    63,239.22/87,168.78 = 42,814.86/x
  3. Step 3: Cross multiply
    63,239.22x = 87,168.78 × 42,814.86
  4. Step 4: Simplify right side
    63,239.22x = 3,732,119,112.07
  5. Step 5: Solve for x
    x = 3,732,119,112.07/63,239.22
  6. Step 6: Final answer
    x = 59,015.89

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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.