Home / 40,525.65-60,707.88-31,719.33

Finding the Fourth Proportional to 40,525.65, 60,707.88 and 31,719.33

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Solution

The fourth proportional to 40,525.65, 60,707.88 and 31,719.33 is: 47,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,525.65 : 60,707.88 = 31,719.33 : x
  2. Step 2: Convert to fraction form
    40,525.65/60,707.88 = 31,719.33/x
  3. Step 3: Cross multiply
    40,525.65x = 60,707.88 × 31,719.33
  4. Step 4: Simplify right side
    40,525.65x = 1,925,613,279.32
  5. Step 5: Solve for x
    x = 1,925,613,279.32/40,525.65
  6. Step 6: Final answer
    x = 47,515.91

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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.