Home / 34,015.28-46,941.72-18,909.20

Finding the Fourth Proportional to 34,015.28, 46,941.72 and 18,909.20

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Solution

The fourth proportional to 34,015.28, 46,941.72 and 18,909.20 is: 26,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.28 : 46,941.72 = 18,909.20 : x
  2. Step 2: Convert to fraction form
    34,015.28/46,941.72 = 18,909.20/x
  3. Step 3: Cross multiply
    34,015.28x = 46,941.72 × 18,909.20
  4. Step 4: Simplify right side
    34,015.28x = 887,630,371.82
  5. Step 5: Solve for x
    x = 887,630,371.82/34,015.28
  6. Step 6: Final answer
    x = 26,095.05

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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.