Home / 40,215.95-60,318.85-10,636.12

Finding the Fourth Proportional to 40,215.95, 60,318.85 and 10,636.12

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Solution

The fourth proportional to 40,215.95, 60,318.85 and 10,636.12 is: 15,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.95 : 60,318.85 = 10,636.12 : x
  2. Step 2: Convert to fraction form
    40,215.95/60,318.85 = 10,636.12/x
  3. Step 3: Cross multiply
    40,215.95x = 60,318.85 × 10,636.12
  4. Step 4: Simplify right side
    40,215.95x = 641,558,526.86
  5. Step 5: Solve for x
    x = 641,558,526.86/40,215.95
  6. Step 6: Final answer
    x = 15,952.84

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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.