Home / 47,448.16-65,479.44-28,581.28

Finding the Fourth Proportional to 47,448.16, 65,479.44 and 28,581.28

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Solution

The fourth proportional to 47,448.16, 65,479.44 and 28,581.28 is: 39,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,448.16 : 65,479.44 = 28,581.28 : x
  2. Step 2: Convert to fraction form
    47,448.16/65,479.44 = 28,581.28/x
  3. Step 3: Cross multiply
    47,448.16x = 65,479.44 × 28,581.28
  4. Step 4: Simplify right side
    47,448.16x = 1,871,486,208.88
  5. Step 5: Solve for x
    x = 1,871,486,208.88/47,448.16
  6. Step 6: Final answer
    x = 39,442.76

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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.