Home / 40,421.96-55,784.04-22,516.98

Finding the Fourth Proportional to 40,421.96, 55,784.04 and 22,516.98

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Solution

The fourth proportional to 40,421.96, 55,784.04 and 22,516.98 is: 31,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.96 : 55,784.04 = 22,516.98 : x
  2. Step 2: Convert to fraction form
    40,421.96/55,784.04 = 22,516.98/x
  3. Step 3: Cross multiply
    40,421.96x = 55,784.04 × 22,516.98
  4. Step 4: Simplify right side
    40,421.96x = 1,256,088,113.00
  5. Step 5: Solve for x
    x = 1,256,088,113.00/40,421.96
  6. Step 6: Final answer
    x = 31,074.40

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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.