Home / 30,889.64-42,623.25-17,277.62

Finding the Fourth Proportional to 30,889.64, 42,623.25 and 17,277.62

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Solution

The fourth proportional to 30,889.64, 42,623.25 and 17,277.62 is: 23,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.64 : 42,623.25 = 17,277.62 : x
  2. Step 2: Convert to fraction form
    30,889.64/42,623.25 = 17,277.62/x
  3. Step 3: Cross multiply
    30,889.64x = 42,623.25 × 17,277.62
  4. Step 4: Simplify right side
    30,889.64x = 736,428,038.76
  5. Step 5: Solve for x
    x = 736,428,038.76/30,889.64
  6. Step 6: Final answer
    x = 23,840.61

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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.