Home / 30,902.24-42,643.38-17,472.64

Finding the Fourth Proportional to 30,902.24, 42,643.38 and 17,472.64

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Solution

The fourth proportional to 30,902.24, 42,643.38 and 17,472.64 is: 24,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.24 : 42,643.38 = 17,472.64 : x
  2. Step 2: Convert to fraction form
    30,902.24/42,643.38 = 17,472.64/x
  3. Step 3: Cross multiply
    30,902.24x = 42,643.38 × 17,472.64
  4. Step 4: Simplify right side
    30,902.24x = 745,092,427.12
  5. Step 5: Solve for x
    x = 745,092,427.12/30,902.24
  6. Step 6: Final answer
    x = 24,111.28

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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.