Home / 30,454.79-42,028.48-17,026.08

Finding the Fourth Proportional to 30,454.79, 42,028.48 and 17,026.08

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Solution

The fourth proportional to 30,454.79, 42,028.48 and 17,026.08 is: 23,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.79 : 42,028.48 = 17,026.08 : x
  2. Step 2: Convert to fraction form
    30,454.79/42,028.48 = 17,026.08/x
  3. Step 3: Cross multiply
    30,454.79x = 42,028.48 × 17,026.08
  4. Step 4: Simplify right side
    30,454.79x = 715,579,967.49
  5. Step 5: Solve for x
    x = 715,579,967.49/30,454.79
  6. Step 6: Final answer
    x = 23,496.47

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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.