Home / 47,986.40-66,219.85-26,765.21

Finding the Fourth Proportional to 47,986.40, 66,219.85 and 26,765.21

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Solution

The fourth proportional to 47,986.40, 66,219.85 and 26,765.21 is: 36,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.40 : 66,219.85 = 26,765.21 : x
  2. Step 2: Convert to fraction form
    47,986.40/66,219.85 = 26,765.21/x
  3. Step 3: Cross multiply
    47,986.40x = 66,219.85 × 26,765.21
  4. Step 4: Simplify right side
    47,986.40x = 1,772,388,191.42
  5. Step 5: Solve for x
    x = 1,772,388,191.42/47,986.40
  6. Step 6: Final answer
    x = 36,935.22

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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.