Home / 40,890.65-56,529.72-40,516.43

Finding the Fourth Proportional to 40,890.65, 56,529.72 and 40,516.43

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Solution

The fourth proportional to 40,890.65, 56,529.72 and 40,516.43 is: 56,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.65 : 56,529.72 = 40,516.43 : x
  2. Step 2: Convert to fraction form
    40,890.65/56,529.72 = 40,516.43/x
  3. Step 3: Cross multiply
    40,890.65x = 56,529.72 × 40,516.43
  4. Step 4: Simplify right side
    40,890.65x = 2,290,382,160.65
  5. Step 5: Solve for x
    x = 2,290,382,160.65/40,890.65
  6. Step 6: Final answer
    x = 56,012.38

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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.