Home / 30,586.22-42,206.48-17,155.64

Finding the Fourth Proportional to 30,586.22, 42,206.48 and 17,155.64

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Solution

The fourth proportional to 30,586.22, 42,206.48 and 17,155.64 is: 23,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.22 : 42,206.48 = 17,155.64 : x
  2. Step 2: Convert to fraction form
    30,586.22/42,206.48 = 17,155.64/x
  3. Step 3: Cross multiply
    30,586.22x = 42,206.48 × 17,155.64
  4. Step 4: Simplify right side
    30,586.22x = 724,079,176.55
  5. Step 5: Solve for x
    x = 724,079,176.55/30,586.22
  6. Step 6: Final answer
    x = 23,673.38

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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.