Home / 38,663.48-53,360.04-21,672.32

Finding the Fourth Proportional to 38,663.48, 53,360.04 and 21,672.32

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Solution

The fourth proportional to 38,663.48, 53,360.04 and 21,672.32 is: 29,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.48 : 53,360.04 = 21,672.32 : x
  2. Step 2: Convert to fraction form
    38,663.48/53,360.04 = 21,672.32/x
  3. Step 3: Cross multiply
    38,663.48x = 53,360.04 × 21,672.32
  4. Step 4: Simplify right side
    38,663.48x = 1,156,435,541.11
  5. Step 5: Solve for x
    x = 1,156,435,541.11/38,663.48
  6. Step 6: Final answer
    x = 29,910.28

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1.5x scale

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.