Home / 37,420.36-51,640.08-20,653.36

Finding the Fourth Proportional to 37,420.36, 51,640.08 and 20,653.36

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Solution

The fourth proportional to 37,420.36, 51,640.08 and 20,653.36 is: 28,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.36 : 51,640.08 = 20,653.36 : x
  2. Step 2: Convert to fraction form
    37,420.36/51,640.08 = 20,653.36/x
  3. Step 3: Cross multiply
    37,420.36x = 51,640.08 × 20,653.36
  4. Step 4: Simplify right side
    37,420.36x = 1,066,541,162.67
  5. Step 5: Solve for x
    x = 1,066,541,162.67/37,420.36
  6. Step 6: Final answer
    x = 28,501.63

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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.