Home / 42,600.32-58,771.68-28,462.40

Finding the Fourth Proportional to 42,600.32, 58,771.68 and 28,462.40

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Solution

The fourth proportional to 42,600.32, 58,771.68 and 28,462.40 is: 39,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.32 : 58,771.68 = 28,462.40 : x
  2. Step 2: Convert to fraction form
    42,600.32/58,771.68 = 28,462.40/x
  3. Step 3: Cross multiply
    42,600.32x = 58,771.68 × 28,462.40
  4. Step 4: Simplify right side
    42,600.32x = 1,672,783,064.83
  5. Step 5: Solve for x
    x = 1,672,783,064.83/42,600.32
  6. Step 6: Final answer
    x = 39,266.91

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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.