Home / 47,623.24-65,674.48-28,499.76

Finding the Fourth Proportional to 47,623.24, 65,674.48 and 28,499.76

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Solution

The fourth proportional to 47,623.24, 65,674.48 and 28,499.76 is: 39,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.24 : 65,674.48 = 28,499.76 : x
  2. Step 2: Convert to fraction form
    47,623.24/65,674.48 = 28,499.76/x
  3. Step 3: Cross multiply
    47,623.24x = 65,674.48 × 28,499.76
  4. Step 4: Simplify right side
    47,623.24x = 1,871,706,918.12
  5. Step 5: Solve for x
    x = 1,871,706,918.12/47,623.24
  6. Step 6: Final answer
    x = 39,302.39

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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.