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Finding the Fourth Proportional to 64,055.36, 95,952.50 and 38,739.47

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Solution

The fourth proportional to 64,055.36, 95,952.50 and 38,739.47 is: 58,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,055.36 : 95,952.50 = 38,739.47 : x
  2. Step 2: Convert to fraction form
    64,055.36/95,952.50 = 38,739.47/x
  3. Step 3: Cross multiply
    64,055.36x = 95,952.50 × 38,739.47
  4. Step 4: Simplify right side
    64,055.36x = 3,717,148,466.99
  5. Step 5: Solve for x
    x = 3,717,148,466.99/64,055.36
  6. Step 6: Final answer
    x = 58,030.25

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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.