Home / 30,965.99-42,568.45-26,643.15

Finding the Fourth Proportional to 30,965.99, 42,568.45 and 26,643.15

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Solution

The fourth proportional to 30,965.99, 42,568.45 and 26,643.15 is: 36,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.99 : 42,568.45 = 26,643.15 : x
  2. Step 2: Convert to fraction form
    30,965.99/42,568.45 = 26,643.15/x
  3. Step 3: Cross multiply
    30,965.99x = 42,568.45 × 26,643.15
  4. Step 4: Simplify right side
    30,965.99x = 1,134,157,532.01
  5. Step 5: Solve for x
    x = 1,134,157,532.01/30,965.99
  6. Step 6: Final answer
    x = 36,625.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.