Home / 37,721.43-52,055.36-20,493.65

Finding the Fourth Proportional to 37,721.43, 52,055.36 and 20,493.65

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Solution

The fourth proportional to 37,721.43, 52,055.36 and 20,493.65 is: 28,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.43 : 52,055.36 = 20,493.65 : x
  2. Step 2: Convert to fraction form
    37,721.43/52,055.36 = 20,493.65/x
  3. Step 3: Cross multiply
    37,721.43x = 52,055.36 × 20,493.65
  4. Step 4: Simplify right side
    37,721.43x = 1,066,804,328.46
  5. Step 5: Solve for x
    x = 1,066,804,328.46/37,721.43
  6. Step 6: Final answer
    x = 28,281.12

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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.