Home / 53,278.86-79,922.61-17,738.91

Finding the Fourth Proportional to 53,278.86, 79,922.61 and 17,738.91

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Solution

The fourth proportional to 53,278.86, 79,922.61 and 17,738.91 is: 26,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.86 : 79,922.61 = 17,738.91 : x
  2. Step 2: Convert to fraction form
    53,278.86/79,922.61 = 17,738.91/x
  3. Step 3: Cross multiply
    53,278.86x = 79,922.61 × 17,738.91
  4. Step 4: Simplify right side
    53,278.86x = 1,417,739,985.76
  5. Step 5: Solve for x
    x = 1,417,739,985.76/53,278.86
  6. Step 6: Final answer
    x = 26,609.80

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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.