Home / 30,889.24-42,627.13-16,742.08

Finding the Fourth Proportional to 30,889.24, 42,627.13 and 16,742.08

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Solution

The fourth proportional to 30,889.24, 42,627.13 and 16,742.08 is: 23,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.24 : 42,627.13 = 16,742.08 : x
  2. Step 2: Convert to fraction form
    30,889.24/42,627.13 = 16,742.08/x
  3. Step 3: Cross multiply
    30,889.24x = 42,627.13 × 16,742.08
  4. Step 4: Simplify right side
    30,889.24x = 713,666,820.63
  5. Step 5: Solve for x
    x = 713,666,820.63/30,889.24
  6. Step 6: Final answer
    x = 23,104.06

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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.