Home / 40,695.36-56,116.80-30,107.04

Finding the Fourth Proportional to 40,695.36, 56,116.80 and 30,107.04

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Solution

The fourth proportional to 40,695.36, 56,116.80 and 30,107.04 is: 41,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.36 : 56,116.80 = 30,107.04 : x
  2. Step 2: Convert to fraction form
    40,695.36/56,116.80 = 30,107.04/x
  3. Step 3: Cross multiply
    40,695.36x = 56,116.80 × 30,107.04
  4. Step 4: Simplify right side
    40,695.36x = 1,689,510,742.27
  5. Step 5: Solve for x
    x = 1,689,510,742.27/40,695.36
  6. Step 6: Final answer
    x = 41,516.05

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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.