Home / 48,328.64-66,757.40-40,288.56

Finding the Fourth Proportional to 48,328.64, 66,757.40 and 40,288.56

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Solution

The fourth proportional to 48,328.64, 66,757.40 and 40,288.56 is: 55,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,328.64 : 66,757.40 = 40,288.56 : x
  2. Step 2: Convert to fraction form
    48,328.64/66,757.40 = 40,288.56/x
  3. Step 3: Cross multiply
    48,328.64x = 66,757.40 × 40,288.56
  4. Step 4: Simplify right side
    48,328.64x = 2,689,559,515.34
  5. Step 5: Solve for x
    x = 2,689,559,515.34/48,328.64
  6. Step 6: Final answer
    x = 55,651.46

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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.