Home / 30,460.68-42,035.62-17,031.90

Finding the Fourth Proportional to 30,460.68, 42,035.62 and 17,031.90

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Solution

The fourth proportional to 30,460.68, 42,035.62 and 17,031.90 is: 23,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.68 : 42,035.62 = 17,031.90 : x
  2. Step 2: Convert to fraction form
    30,460.68/42,035.62 = 17,031.90/x
  3. Step 3: Cross multiply
    30,460.68x = 42,035.62 × 17,031.90
  4. Step 4: Simplify right side
    30,460.68x = 715,946,266.10
  5. Step 5: Solve for x
    x = 715,946,266.10/30,460.68
  6. Step 6: Final answer
    x = 23,503.95

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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.