Home / 35,818.86-53,714.25-21,031.50

Finding the Fourth Proportional to 35,818.86, 53,714.25 and 21,031.50

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Solution

The fourth proportional to 35,818.86, 53,714.25 and 21,031.50 is: 31,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.86 : 53,714.25 = 21,031.50 : x
  2. Step 2: Convert to fraction form
    35,818.86/53,714.25 = 21,031.50/x
  3. Step 3: Cross multiply
    35,818.86x = 53,714.25 × 21,031.50
  4. Step 4: Simplify right side
    35,818.86x = 1,129,691,248.88
  5. Step 5: Solve for x
    x = 1,129,691,248.88/35,818.86
  6. Step 6: Final answer
    x = 31,539.01

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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.