Home / 66,258.02-91,438.47-37,969.18

Finding the Fourth Proportional to 66,258.02, 91,438.47 and 37,969.18

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Solution

The fourth proportional to 66,258.02, 91,438.47 and 37,969.18 is: 52,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,258.02 : 91,438.47 = 37,969.18 : x
  2. Step 2: Convert to fraction form
    66,258.02/91,438.47 = 37,969.18/x
  3. Step 3: Cross multiply
    66,258.02x = 91,438.47 × 37,969.18
  4. Step 4: Simplify right side
    66,258.02x = 3,471,843,726.35
  5. Step 5: Solve for x
    x = 3,471,843,726.35/66,258.02
  6. Step 6: Final answer
    x = 52,398.85

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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.