Home / 30,146.90-41,602.28-16,718.18

Finding the Fourth Proportional to 30,146.90, 41,602.28 and 16,718.18

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Solution

The fourth proportional to 30,146.90, 41,602.28 and 16,718.18 is: 23,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.90 : 41,602.28 = 16,718.18 : x
  2. Step 2: Convert to fraction form
    30,146.90/41,602.28 = 16,718.18/x
  3. Step 3: Cross multiply
    30,146.90x = 41,602.28 × 16,718.18
  4. Step 4: Simplify right side
    30,146.90x = 695,514,113.85
  5. Step 5: Solve for x
    x = 695,514,113.85/30,146.90
  6. Step 6: Final answer
    x = 23,070.84

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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.