Home / 66,636.86-91,960.34-36,424.17

Finding the Fourth Proportional to 66,636.86, 91,960.34 and 36,424.17

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Solution

The fourth proportional to 66,636.86, 91,960.34 and 36,424.17 is: 50,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,636.86 : 91,960.34 = 36,424.17 : x
  2. Step 2: Convert to fraction form
    66,636.86/91,960.34 = 36,424.17/x
  3. Step 3: Cross multiply
    66,636.86x = 91,960.34 × 36,424.17
  4. Step 4: Simplify right side
    66,636.86x = 3,349,578,875.30
  5. Step 5: Solve for x
    x = 3,349,578,875.30/66,636.86
  6. Step 6: Final answer
    x = 50,266.16

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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.