Home / 47,150.25-65,066.12-28,030.06

Finding the Fourth Proportional to 47,150.25, 65,066.12 and 28,030.06

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Solution

The fourth proportional to 47,150.25, 65,066.12 and 28,030.06 is: 38,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,150.25 : 65,066.12 = 28,030.06 : x
  2. Step 2: Convert to fraction form
    47,150.25/65,066.12 = 28,030.06/x
  3. Step 3: Cross multiply
    47,150.25x = 65,066.12 × 28,030.06
  4. Step 4: Simplify right side
    47,150.25x = 1,823,807,439.01
  5. Step 5: Solve for x
    x = 1,823,807,439.01/47,150.25
  6. Step 6: Final answer
    x = 38,680.76

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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.