Home / 53,418.36-73,715.08-29,218.92

Finding the Fourth Proportional to 53,418.36, 73,715.08 and 29,218.92

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Solution

The fourth proportional to 53,418.36, 73,715.08 and 29,218.92 is: 40,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.36 : 73,715.08 = 29,218.92 : x
  2. Step 2: Convert to fraction form
    53,418.36/73,715.08 = 29,218.92/x
  3. Step 3: Cross multiply
    53,418.36x = 73,715.08 × 29,218.92
  4. Step 4: Simplify right side
    53,418.36x = 2,153,875,025.31
  5. Step 5: Solve for x
    x = 2,153,875,025.31/53,418.36
  6. Step 6: Final answer
    x = 40,320.88

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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.