Home / 30,477.33-42,064.11-17,902.08

Finding the Fourth Proportional to 30,477.33, 42,064.11 and 17,902.08

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Solution

The fourth proportional to 30,477.33, 42,064.11 and 17,902.08 is: 24,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.33 : 42,064.11 = 17,902.08 : x
  2. Step 2: Convert to fraction form
    30,477.33/42,064.11 = 17,902.08/x
  3. Step 3: Cross multiply
    30,477.33x = 42,064.11 × 17,902.08
  4. Step 4: Simplify right side
    30,477.33x = 753,035,062.35
  5. Step 5: Solve for x
    x = 753,035,062.35/30,477.33
  6. Step 6: Final answer
    x = 24,708.04

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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.