Home / 42,953.32-64,431.90-11,788.84

Finding the Fourth Proportional to 42,953.32, 64,431.90 and 11,788.84

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Solution

The fourth proportional to 42,953.32, 64,431.90 and 11,788.84 is: 17,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,953.32 : 64,431.90 = 11,788.84 : x
  2. Step 2: Convert to fraction form
    42,953.32/64,431.90 = 11,788.84/x
  3. Step 3: Cross multiply
    42,953.32x = 64,431.90 × 11,788.84
  4. Step 4: Simplify right side
    42,953.32x = 759,577,360.00
  5. Step 5: Solve for x
    x = 759,577,360.00/42,953.32
  6. Step 6: Final answer
    x = 17,683.79

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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.