Home / 53,329.18-79,998.55-13,886.63

Finding the Fourth Proportional to 53,329.18, 79,998.55 and 13,886.63

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Solution

The fourth proportional to 53,329.18, 79,998.55 and 13,886.63 is: 20,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,329.18 : 79,998.55 = 13,886.63 : x
  2. Step 2: Convert to fraction form
    53,329.18/79,998.55 = 13,886.63/x
  3. Step 3: Cross multiply
    53,329.18x = 79,998.55 × 13,886.63
  4. Step 4: Simplify right side
    53,329.18x = 1,110,910,264.39
  5. Step 5: Solve for x
    x = 1,110,910,264.39/53,329.18
  6. Step 6: Final answer
    x = 20,831.19

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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.