Home / 34,127.28-51,191.06-18,643.32

Finding the Fourth Proportional to 34,127.28, 51,191.06 and 18,643.32

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Solution

The fourth proportional to 34,127.28, 51,191.06 and 18,643.32 is: 27,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,127.28 : 51,191.06 = 18,643.32 : x
  2. Step 2: Convert to fraction form
    34,127.28/51,191.06 = 18,643.32/x
  3. Step 3: Cross multiply
    34,127.28x = 51,191.06 × 18,643.32
  4. Step 4: Simplify right side
    34,127.28x = 954,371,219.50
  5. Step 5: Solve for x
    x = 954,371,219.50/34,127.28
  6. Step 6: Final answer
    x = 27,965.05

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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.