Home / 38,975.58-58,197.56-30,988.17

Finding the Fourth Proportional to 38,975.58, 58,197.56 and 30,988.17

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Solution

The fourth proportional to 38,975.58, 58,197.56 and 30,988.17 is: 46,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.58 : 58,197.56 = 30,988.17 : x
  2. Step 2: Convert to fraction form
    38,975.58/58,197.56 = 30,988.17/x
  3. Step 3: Cross multiply
    38,975.58x = 58,197.56 × 30,988.17
  4. Step 4: Simplify right side
    38,975.58x = 1,803,435,727.92
  5. Step 5: Solve for x
    x = 1,803,435,727.92/38,975.58
  6. Step 6: Final answer
    x = 46,270.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.