Home / 40,758.47-61,047.38-31,329.05

Finding the Fourth Proportional to 40,758.47, 61,047.38 and 31,329.05

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Solution

The fourth proportional to 40,758.47, 61,047.38 and 31,329.05 is: 46,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.47 : 61,047.38 = 31,329.05 : x
  2. Step 2: Convert to fraction form
    40,758.47/61,047.38 = 31,329.05/x
  3. Step 3: Cross multiply
    40,758.47x = 61,047.38 × 31,329.05
  4. Step 4: Simplify right side
    40,758.47x = 1,912,556,263.74
  5. Step 5: Solve for x
    x = 1,912,556,263.74/40,758.47
  6. Step 6: Final answer
    x = 46,924.14

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1.5x scale

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.