Home / 30,747.70-42,451.43-25,095.93

Finding the Fourth Proportional to 30,747.70, 42,451.43 and 25,095.93

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Solution

The fourth proportional to 30,747.70, 42,451.43 and 25,095.93 is: 34,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.70 : 42,451.43 = 25,095.93 : x
  2. Step 2: Convert to fraction form
    30,747.70/42,451.43 = 25,095.93/x
  3. Step 3: Cross multiply
    30,747.70x = 42,451.43 × 25,095.93
  4. Step 4: Simplify right side
    30,747.70x = 1,065,357,831.01
  5. Step 5: Solve for x
    x = 1,065,357,831.01/30,747.70
  6. Step 6: Final answer
    x = 34,648.37

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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.