Home / 30,904.54-42,647.74-17,475.28

Finding the Fourth Proportional to 30,904.54, 42,647.74 and 17,475.28

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Solution

The fourth proportional to 30,904.54, 42,647.74 and 17,475.28 is: 24,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.54 : 42,647.74 = 17,475.28 : x
  2. Step 2: Convert to fraction form
    30,904.54/42,647.74 = 17,475.28/x
  3. Step 3: Cross multiply
    30,904.54x = 42,647.74 × 17,475.28
  4. Step 4: Simplify right side
    30,904.54x = 745,281,197.87
  5. Step 5: Solve for x
    x = 745,281,197.87/30,904.54
  6. Step 6: Final answer
    x = 24,115.59

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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.