Home / 42,855.08-59,145.90-25,860.20

Finding the Fourth Proportional to 42,855.08, 59,145.90 and 25,860.20

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Solution

The fourth proportional to 42,855.08, 59,145.90 and 25,860.20 is: 35,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855.08 : 59,145.90 = 25,860.20 : x
  2. Step 2: Convert to fraction form
    42,855.08/59,145.90 = 25,860.20/x
  3. Step 3: Cross multiply
    42,855.08x = 59,145.90 × 25,860.20
  4. Step 4: Simplify right side
    42,855.08x = 1,529,524,803.18
  5. Step 5: Solve for x
    x = 1,529,524,803.18/42,855.08
  6. Step 6: Final answer
    x = 35,690.63

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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.