Home / 47,130.27-65,029.97-28,016.81

Finding the Fourth Proportional to 47,130.27, 65,029.97 and 28,016.81

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Solution

The fourth proportional to 47,130.27, 65,029.97 and 28,016.81 is: 38,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.27 : 65,029.97 = 28,016.81 : x
  2. Step 2: Convert to fraction form
    47,130.27/65,029.97 = 28,016.81/x
  3. Step 3: Cross multiply
    47,130.27x = 65,029.97 × 28,016.81
  4. Step 4: Simplify right side
    47,130.27x = 1,821,931,848.56
  5. Step 5: Solve for x
    x = 1,821,931,848.56/47,130.27
  6. Step 6: Final answer
    x = 38,657.36

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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.