Home / 53,332.17-79,998.26-13,889.17

Finding the Fourth Proportional to 53,332.17, 79,998.26 and 13,889.17

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Solution

The fourth proportional to 53,332.17, 79,998.26 and 13,889.17 is: 20,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.17 : 79,998.26 = 13,889.17 : x
  2. Step 2: Convert to fraction form
    53,332.17/79,998.26 = 13,889.17/x
  3. Step 3: Cross multiply
    53,332.17x = 79,998.26 × 13,889.17
  4. Step 4: Simplify right side
    53,332.17x = 1,111,109,432.84
  5. Step 5: Solve for x
    x = 1,111,109,432.84/53,332.17
  6. Step 6: Final answer
    x = 20,833.76

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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.