Home / 42,694.20-64,041.27-11,529.42

Finding the Fourth Proportional to 42,694.20, 64,041.27 and 11,529.42

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Solution

The fourth proportional to 42,694.20, 64,041.27 and 11,529.42 is: 17,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,694.20 : 64,041.27 = 11,529.42 : x
  2. Step 2: Convert to fraction form
    42,694.20/64,041.27 = 11,529.42/x
  3. Step 3: Cross multiply
    42,694.20x = 64,041.27 × 11,529.42
  4. Step 4: Simplify right side
    42,694.20x = 738,358,699.16
  5. Step 5: Solve for x
    x = 738,358,699.16/42,694.20
  6. Step 6: Final answer
    x = 17,294.12

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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.