Home / 35,853.24-53,788.68-12,479.88

Finding the Fourth Proportional to 35,853.24, 53,788.68 and 12,479.88

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Solution

The fourth proportional to 35,853.24, 53,788.68 and 12,479.88 is: 18,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.24 : 53,788.68 = 12,479.88 : x
  2. Step 2: Convert to fraction form
    35,853.24/53,788.68 = 12,479.88/x
  3. Step 3: Cross multiply
    35,853.24x = 53,788.68 × 12,479.88
  4. Step 4: Simplify right side
    35,853.24x = 671,276,271.76
  5. Step 5: Solve for x
    x = 671,276,271.76/35,853.24
  6. Step 6: Final answer
    x = 18,722.89

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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.