Home / 47,666.98-65,782.19-28,800.46

Finding the Fourth Proportional to 47,666.98, 65,782.19 and 28,800.46

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Solution

The fourth proportional to 47,666.98, 65,782.19 and 28,800.46 is: 39,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.98 : 65,782.19 = 28,800.46 : x
  2. Step 2: Convert to fraction form
    47,666.98/65,782.19 = 28,800.46/x
  3. Step 3: Cross multiply
    47,666.98x = 65,782.19 × 28,800.46
  4. Step 4: Simplify right side
    47,666.98x = 1,894,557,331.81
  5. Step 5: Solve for x
    x = 1,894,557,331.81/47,666.98
  6. Step 6: Final answer
    x = 39,745.70

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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.