Home / 38,492.15-53,118.14-21,495.92

Finding the Fourth Proportional to 38,492.15, 53,118.14 and 21,495.92

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Solution

The fourth proportional to 38,492.15, 53,118.14 and 21,495.92 is: 29,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.15 : 53,118.14 = 21,495.92 : x
  2. Step 2: Convert to fraction form
    38,492.15/53,118.14 = 21,495.92/x
  3. Step 3: Cross multiply
    38,492.15x = 53,118.14 × 21,495.92
  4. Step 4: Simplify right side
    38,492.15x = 1,141,823,287.99
  5. Step 5: Solve for x
    x = 1,141,823,287.99/38,492.15
  6. Step 6: Final answer
    x = 29,663.80

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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.