Home / 66,283.32-91,474.18-37,989.08

Finding the Fourth Proportional to 66,283.32, 91,474.18 and 37,989.08

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Solution

The fourth proportional to 66,283.32, 91,474.18 and 37,989.08 is: 52,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.32 : 91,474.18 = 37,989.08 : x
  2. Step 2: Convert to fraction form
    66,283.32/91,474.18 = 37,989.08/x
  3. Step 3: Cross multiply
    66,283.32x = 91,474.18 × 37,989.08
  4. Step 4: Simplify right side
    66,283.32x = 3,475,019,941.95
  5. Step 5: Solve for x
    x = 3,475,019,941.95/66,283.32
  6. Step 6: Final answer
    x = 52,426.76

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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.