Home / 30,358.68-41,895.33-16,931.10

Finding the Fourth Proportional to 30,358.68, 41,895.33 and 16,931.10

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Solution

The fourth proportional to 30,358.68, 41,895.33 and 16,931.10 is: 23,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.68 : 41,895.33 = 16,931.10 : x
  2. Step 2: Convert to fraction form
    30,358.68/41,895.33 = 16,931.10/x
  3. Step 3: Cross multiply
    30,358.68x = 41,895.33 × 16,931.10
  4. Step 4: Simplify right side
    30,358.68x = 709,334,021.76
  5. Step 5: Solve for x
    x = 709,334,021.76/30,358.68
  6. Step 6: Final answer
    x = 23,365.11

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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.