Home / 48,938.13-73,407.19-21,236.13

Finding the Fourth Proportional to 48,938.13, 73,407.19 and 21,236.13

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Solution

The fourth proportional to 48,938.13, 73,407.19 and 21,236.13 is: 31,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.13 : 73,407.19 = 21,236.13 : x
  2. Step 2: Convert to fraction form
    48,938.13/73,407.19 = 21,236.13/x
  3. Step 3: Cross multiply
    48,938.13x = 73,407.19 × 21,236.13
  4. Step 4: Simplify right side
    48,938.13x = 1,558,884,629.77
  5. Step 5: Solve for x
    x = 1,558,884,629.77/48,938.13
  6. Step 6: Final answer
    x = 31,854.19

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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.