Home / 39,040.53-58,555.93-12,743.07

Finding the Fourth Proportional to 39,040.53, 58,555.93 and 12,743.07

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Solution

The fourth proportional to 39,040.53, 58,555.93 and 12,743.07 is: 19,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.53 : 58,555.93 = 12,743.07 : x
  2. Step 2: Convert to fraction form
    39,040.53/58,555.93 = 12,743.07/x
  3. Step 3: Cross multiply
    39,040.53x = 58,555.93 × 12,743.07
  4. Step 4: Simplify right side
    39,040.53x = 746,182,314.91
  5. Step 5: Solve for x
    x = 746,182,314.91/39,040.53
  6. Step 6: Final answer
    x = 19,113.02

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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.