Home / 66,911.55-92,329.52-36,688.92

Finding the Fourth Proportional to 66,911.55, 92,329.52 and 36,688.92

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Solution

The fourth proportional to 66,911.55, 92,329.52 and 36,688.92 is: 50,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.55 : 92,329.52 = 36,688.92 : x
  2. Step 2: Convert to fraction form
    66,911.55/92,329.52 = 36,688.92/x
  3. Step 3: Cross multiply
    66,911.55x = 92,329.52 × 36,688.92
  4. Step 4: Simplify right side
    66,911.55x = 3,387,470,535.71
  5. Step 5: Solve for x
    x = 3,387,470,535.71/66,911.55
  6. Step 6: Final answer
    x = 50,626.09

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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.