Home / 66,317.40-91,526.76-38,017.62

Finding the Fourth Proportional to 66,317.40, 91,526.76 and 38,017.62

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Solution

The fourth proportional to 66,317.40, 91,526.76 and 38,017.62 is: 52,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,317.40 : 91,526.76 = 38,017.62 : x
  2. Step 2: Convert to fraction form
    66,317.40/91,526.76 = 38,017.62/x
  3. Step 3: Cross multiply
    66,317.40x = 91,526.76 × 38,017.62
  4. Step 4: Simplify right side
    66,317.40x = 3,479,629,581.51
  5. Step 5: Solve for x
    x = 3,479,629,581.51/66,317.40
  6. Step 6: Final answer
    x = 52,469.33

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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.