Home / 66,022.12-91,109.28-37,341.28

Finding the Fourth Proportional to 66,022.12, 91,109.28 and 37,341.28

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Solution

The fourth proportional to 66,022.12, 91,109.28 and 37,341.28 is: 51,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.12 : 91,109.28 = 37,341.28 : x
  2. Step 2: Convert to fraction form
    66,022.12/91,109.28 = 37,341.28/x
  3. Step 3: Cross multiply
    66,022.12x = 91,109.28 × 37,341.28
  4. Step 4: Simplify right side
    66,022.12x = 3,402,137,135.08
  5. Step 5: Solve for x
    x = 3,402,137,135.08/66,022.12
  6. Step 6: Final answer
    x = 51,530.26

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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.