Home / 74,905.76-112,365.36-19,502.24

Finding the Fourth Proportional to 74,905.76, 112,365.36 and 19,502.24

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Solution

The fourth proportional to 74,905.76, 112,365.36 and 19,502.24 is: 29,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.76 : 112,365.36 = 19,502.24 : x
  2. Step 2: Convert to fraction form
    74,905.76/112,365.36 = 19,502.24/x
  3. Step 3: Cross multiply
    74,905.76x = 112,365.36 × 19,502.24
  4. Step 4: Simplify right side
    74,905.76x = 2,191,376,218.41
  5. Step 5: Solve for x
    x = 2,191,376,218.41/74,905.76
  6. Step 6: Final answer
    x = 29,255.11

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1.5x scale

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.