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Finding the Fourth Proportional to 64,002.60, 96,032.70 and 28,924.20

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Solution

The fourth proportional to 64,002.60, 96,032.70 and 28,924.20 is: 43,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,002.60 : 96,032.70 = 28,924.20 : x
  2. Step 2: Convert to fraction form
    64,002.60/96,032.70 = 28,924.20/x
  3. Step 3: Cross multiply
    64,002.60x = 96,032.70 × 28,924.20
  4. Step 4: Simplify right side
    64,002.60x = 2,777,669,021.34
  5. Step 5: Solve for x
    x = 2,777,669,021.34/64,002.60
  6. Step 6: Final answer
    x = 43,399.32

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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.