Home / 37,254.45-51,430.19-28,737.45

Finding the Fourth Proportional to 37,254.45, 51,430.19 and 28,737.45

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Solution

The fourth proportional to 37,254.45, 51,430.19 and 28,737.45 is: 39,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,254.45 : 51,430.19 = 28,737.45 : x
  2. Step 2: Convert to fraction form
    37,254.45/51,430.19 = 28,737.45/x
  3. Step 3: Cross multiply
    37,254.45x = 51,430.19 × 28,737.45
  4. Step 4: Simplify right side
    37,254.45x = 1,477,972,369.93
  5. Step 5: Solve for x
    x = 1,477,972,369.93/37,254.45
  6. Step 6: Final answer
    x = 39,672.37

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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.