Home / 42,848.71-64,272.37-11,683.96

Finding the Fourth Proportional to 42,848.71, 64,272.37 and 11,683.96

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Solution

The fourth proportional to 42,848.71, 64,272.37 and 11,683.96 is: 17,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.71 : 64,272.37 = 11,683.96 : x
  2. Step 2: Convert to fraction form
    42,848.71/64,272.37 = 11,683.96/x
  3. Step 3: Cross multiply
    42,848.71x = 64,272.37 × 11,683.96
  4. Step 4: Simplify right side
    42,848.71x = 750,955,800.19
  5. Step 5: Solve for x
    x = 750,955,800.19/42,848.71
  6. Step 6: Final answer
    x = 17,525.75

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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.