Home / 42,013.44-58,025.20-28,561.34

Finding the Fourth Proportional to 42,013.44, 58,025.20 and 28,561.34

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Solution

The fourth proportional to 42,013.44, 58,025.20 and 28,561.34 is: 39,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.44 : 58,025.20 = 28,561.34 : x
  2. Step 2: Convert to fraction form
    42,013.44/58,025.20 = 28,561.34/x
  3. Step 3: Cross multiply
    42,013.44x = 58,025.20 × 28,561.34
  4. Step 4: Simplify right side
    42,013.44x = 1,657,277,465.77
  5. Step 5: Solve for x
    x = 1,657,277,465.77/42,013.44
  6. Step 6: Final answer
    x = 39,446.36

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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.