Home / 30,034.90-45,037.62-17,558.08

Finding the Fourth Proportional to 30,034.90, 45,037.62 and 17,558.08

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Solution

The fourth proportional to 30,034.90, 45,037.62 and 17,558.08 is: 26,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.90 : 45,037.62 = 17,558.08 : x
  2. Step 2: Convert to fraction form
    30,034.90/45,037.62 = 17,558.08/x
  3. Step 3: Cross multiply
    30,034.90x = 45,037.62 × 17,558.08
  4. Step 4: Simplify right side
    30,034.90x = 790,774,134.97
  5. Step 5: Solve for x
    x = 790,774,134.97/30,034.90
  6. Step 6: Final answer
    x = 26,328.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.