Home / 47,524.08-65,578.76-28,400.05

Finding the Fourth Proportional to 47,524.08, 65,578.76 and 28,400.05

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Solution

The fourth proportional to 47,524.08, 65,578.76 and 28,400.05 is: 39,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,524.08 : 65,578.76 = 28,400.05 : x
  2. Step 2: Convert to fraction form
    47,524.08/65,578.76 = 28,400.05/x
  3. Step 3: Cross multiply
    47,524.08x = 65,578.76 × 28,400.05
  4. Step 4: Simplify right side
    47,524.08x = 1,862,440,062.94
  5. Step 5: Solve for x
    x = 1,862,440,062.94/47,524.08
  6. Step 6: Final answer
    x = 39,189.40

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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.