Home / 30,407.17-45,613.19-10,690.15

Finding the Fourth Proportional to 30,407.17, 45,613.19 and 10,690.15

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Solution

The fourth proportional to 30,407.17, 45,613.19 and 10,690.15 is: 16,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.17 : 45,613.19 = 10,690.15 : x
  2. Step 2: Convert to fraction form
    30,407.17/45,613.19 = 10,690.15/x
  3. Step 3: Cross multiply
    30,407.17x = 45,613.19 × 10,690.15
  4. Step 4: Simplify right side
    30,407.17x = 487,611,843.08
  5. Step 5: Solve for x
    x = 487,611,843.08/30,407.17
  6. Step 6: Final answer
    x = 16,036.08

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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.