Home / 38,430.69-57,263.99-34,238.49

Finding the Fourth Proportional to 38,430.69, 57,263.99 and 34,238.49

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Solution

The fourth proportional to 38,430.69, 57,263.99 and 34,238.49 is: 51,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.69 : 57,263.99 = 34,238.49 : x
  2. Step 2: Convert to fraction form
    38,430.69/57,263.99 = 34,238.49/x
  3. Step 3: Cross multiply
    38,430.69x = 57,263.99 × 34,238.49
  4. Step 4: Simplify right side
    38,430.69x = 1,960,632,548.98
  5. Step 5: Solve for x
    x = 1,960,632,548.98/38,430.69
  6. Step 6: Final answer
    x = 51,017.37

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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.