Home / 38,483.32-53,106.48-21,487.86

Finding the Fourth Proportional to 38,483.32, 53,106.48 and 21,487.86

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Solution

The fourth proportional to 38,483.32, 53,106.48 and 21,487.86 is: 29,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.32 : 53,106.48 = 21,487.86 : x
  2. Step 2: Convert to fraction form
    38,483.32/53,106.48 = 21,487.86/x
  3. Step 3: Cross multiply
    38,483.32x = 53,106.48 × 21,487.86
  4. Step 4: Simplify right side
    38,483.32x = 1,141,144,327.60
  5. Step 5: Solve for x
    x = 1,141,144,327.60/38,483.32
  6. Step 6: Final answer
    x = 29,652.96

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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.