Home / 30,146.88-41,602.80-16,718.36

Finding the Fourth Proportional to 30,146.88, 41,602.80 and 16,718.36

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Solution

The fourth proportional to 30,146.88, 41,602.80 and 16,718.36 is: 23,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.88 : 41,602.80 = 16,718.36 : x
  2. Step 2: Convert to fraction form
    30,146.88/41,602.80 = 16,718.36/x
  3. Step 3: Cross multiply
    30,146.88x = 41,602.80 × 16,718.36
  4. Step 4: Simplify right side
    30,146.88x = 695,530,587.41
  5. Step 5: Solve for x
    x = 695,530,587.41/30,146.88
  6. Step 6: Final answer
    x = 23,071.40

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Double scale
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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.