Home / 30,145.28-41,602.95-16,717.91

Finding the Fourth Proportional to 30,145.28, 41,602.95 and 16,717.91

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Solution

The fourth proportional to 30,145.28, 41,602.95 and 16,717.91 is: 23,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.28 : 41,602.95 = 16,717.91 : x
  2. Step 2: Convert to fraction form
    30,145.28/41,602.95 = 16,717.91/x
  3. Step 3: Cross multiply
    30,145.28x = 41,602.95 × 16,717.91
  4. Step 4: Simplify right side
    30,145.28x = 695,514,165.82
  5. Step 5: Solve for x
    x = 695,514,165.82/30,145.28
  6. Step 6: Final answer
    x = 23,072.08

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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.