Home / 30,148.30-41,601.69-16,719.32

Finding the Fourth Proportional to 30,148.30, 41,601.69 and 16,719.32

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Solution

The fourth proportional to 30,148.30, 41,601.69 and 16,719.32 is: 23,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.30 : 41,601.69 = 16,719.32 : x
  2. Step 2: Convert to fraction form
    30,148.30/41,601.69 = 16,719.32/x
  3. Step 3: Cross multiply
    30,148.30x = 41,601.69 × 16,719.32
  4. Step 4: Simplify right side
    30,148.30x = 695,551,967.65
  5. Step 5: Solve for x
    x = 695,551,967.65/30,148.30
  6. Step 6: Final answer
    x = 23,071.02

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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.