Home / 42,135.03-58,145.99-23,271.75

Finding the Fourth Proportional to 42,135.03, 58,145.99 and 23,271.75

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Solution

The fourth proportional to 42,135.03, 58,145.99 and 23,271.75 is: 32,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.03 : 58,145.99 = 23,271.75 : x
  2. Step 2: Convert to fraction form
    42,135.03/58,145.99 = 23,271.75/x
  3. Step 3: Cross multiply
    42,135.03x = 58,145.99 × 23,271.75
  4. Step 4: Simplify right side
    42,135.03x = 1,353,158,826.42
  5. Step 5: Solve for x
    x = 1,353,158,826.42/42,135.03
  6. Step 6: Final answer
    x = 32,114.82

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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.