Home / 64,714.28-89,308.60-36,421.80

Finding the Fourth Proportional to 64,714.28, 89,308.60 and 36,421.80

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Solution

The fourth proportional to 64,714.28, 89,308.60 and 36,421.80 is: 50,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,714.28 : 89,308.60 = 36,421.80 : x
  2. Step 2: Convert to fraction form
    64,714.28/89,308.60 = 36,421.80/x
  3. Step 3: Cross multiply
    64,714.28x = 89,308.60 × 36,421.80
  4. Step 4: Simplify right side
    64,714.28x = 3,252,779,967.48
  5. Step 5: Solve for x
    x = 3,252,779,967.48/64,714.28
  6. Step 6: Final answer
    x = 50,263.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.