Home / 64,100.50-88,421.73-38,589.14

Finding the Fourth Proportional to 64,100.50, 88,421.73 and 38,589.14

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Solution

The fourth proportional to 64,100.50, 88,421.73 and 38,589.14 is: 53,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.50 : 88,421.73 = 38,589.14 : x
  2. Step 2: Convert to fraction form
    64,100.50/88,421.73 = 38,589.14/x
  3. Step 3: Cross multiply
    64,100.50x = 88,421.73 × 38,589.14
  4. Step 4: Simplify right side
    64,100.50x = 3,412,118,594.36
  5. Step 5: Solve for x
    x = 3,412,118,594.36/64,100.50
  6. Step 6: Final answer
    x = 53,230.77

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1.5x scale

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.