Home / 47,448.46-65,478.85-28,589.23

Finding the Fourth Proportional to 47,448.46, 65,478.85 and 28,589.23

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Solution

The fourth proportional to 47,448.46, 65,478.85 and 28,589.23 is: 39,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.46 : 65,478.85 = 28,589.23 : x
  2. Step 2: Convert to fraction form
    47,448.46/65,478.85 = 28,589.23/x
  3. Step 3: Cross multiply
    47,448.46x = 65,478.85 × 28,589.23
  4. Step 4: Simplify right side
    47,448.46x = 1,871,989,902.79
  5. Step 5: Solve for x
    x = 1,871,989,902.79/47,448.46
  6. Step 6: Final answer
    x = 39,453.12

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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.