Home / 35,085.64-52,651.38-12,899.20

Finding the Fourth Proportional to 35,085.64, 52,651.38 and 12,899.20

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Solution

The fourth proportional to 35,085.64, 52,651.38 and 12,899.20 is: 19,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.64 : 52,651.38 = 12,899.20 : x
  2. Step 2: Convert to fraction form
    35,085.64/52,651.38 = 12,899.20/x
  3. Step 3: Cross multiply
    35,085.64x = 52,651.38 × 12,899.20
  4. Step 4: Simplify right side
    35,085.64x = 679,160,680.90
  5. Step 5: Solve for x
    x = 679,160,680.90/35,085.64
  6. Step 6: Final answer
    x = 19,357.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.