Home / 66,917.02-92,345.37-38,622.68

Finding the Fourth Proportional to 66,917.02, 92,345.37 and 38,622.68

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Solution

The fourth proportional to 66,917.02, 92,345.37 and 38,622.68 is: 53,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.02 : 92,345.37 = 38,622.68 : x
  2. Step 2: Convert to fraction form
    66,917.02/92,345.37 = 38,622.68/x
  3. Step 3: Cross multiply
    66,917.02x = 92,345.37 × 38,622.68
  4. Step 4: Simplify right side
    66,917.02x = 3,566,625,674.99
  5. Step 5: Solve for x
    x = 3,566,625,674.99/66,917.02
  6. Step 6: Final answer
    x = 53,299.23

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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.