Home / 63,419.32-95,139.91-21,303.45

Finding the Fourth Proportional to 63,419.32, 95,139.91 and 21,303.45

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Solution

The fourth proportional to 63,419.32, 95,139.91 and 21,303.45 is: 31,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.32 : 95,139.91 = 21,303.45 : x
  2. Step 2: Convert to fraction form
    63,419.32/95,139.91 = 21,303.45/x
  3. Step 3: Cross multiply
    63,419.32x = 95,139.91 × 21,303.45
  4. Step 4: Simplify right side
    63,419.32x = 2,026,808,209.17
  5. Step 5: Solve for x
    x = 2,026,808,209.17/63,419.32
  6. Step 6: Final answer
    x = 31,958.84

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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.