Home / 47,447.46-65,477.48-28,588.23

Finding the Fourth Proportional to 47,447.46, 65,477.48 and 28,588.23

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Solution

The fourth proportional to 47,447.46, 65,477.48 and 28,588.23 is: 39,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,447.46 : 65,477.48 = 28,588.23 : x
  2. Step 2: Convert to fraction form
    47,447.46/65,477.48 = 28,588.23/x
  3. Step 3: Cross multiply
    47,447.46x = 65,477.48 × 28,588.23
  4. Step 4: Simplify right side
    47,447.46x = 1,871,885,115.12
  5. Step 5: Solve for x
    x = 1,871,885,115.12/47,447.46
  6. Step 6: Final answer
    x = 39,451.75

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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.