Home / 35,079.91-52,618.15-12,891.58

Finding the Fourth Proportional to 35,079.91, 52,618.15 and 12,891.58

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Solution

The fourth proportional to 35,079.91, 52,618.15 and 12,891.58 is: 19,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.91 : 52,618.15 = 12,891.58 : x
  2. Step 2: Convert to fraction form
    35,079.91/52,618.15 = 12,891.58/x
  3. Step 3: Cross multiply
    35,079.91x = 52,618.15 × 12,891.58
  4. Step 4: Simplify right side
    35,079.91x = 678,331,090.18
  5. Step 5: Solve for x
    x = 678,331,090.18/35,079.91
  6. Step 6: Final answer
    x = 19,336.74

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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.