Home / 42,120.56-58,124.85-23,257.28

Finding the Fourth Proportional to 42,120.56, 58,124.85 and 23,257.28

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Solution

The fourth proportional to 42,120.56, 58,124.85 and 23,257.28 is: 32,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.56 : 58,124.85 = 23,257.28 : x
  2. Step 2: Convert to fraction form
    42,120.56/58,124.85 = 23,257.28/x
  3. Step 3: Cross multiply
    42,120.56x = 58,124.85 × 23,257.28
  4. Step 4: Simplify right side
    42,120.56x = 1,351,825,911.41
  5. Step 5: Solve for x
    x = 1,351,825,911.41/42,120.56
  6. Step 6: Final answer
    x = 32,094.21

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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.