Home / 46,120.79-63,647.97-28,215.47

Finding the Fourth Proportional to 46,120.79, 63,647.97 and 28,215.47

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Solution

The fourth proportional to 46,120.79, 63,647.97 and 28,215.47 is: 38,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,120.79 : 63,647.97 = 28,215.47 : x
  2. Step 2: Convert to fraction form
    46,120.79/63,647.97 = 28,215.47/x
  3. Step 3: Cross multiply
    46,120.79x = 63,647.97 × 28,215.47
  4. Step 4: Simplify right side
    46,120.79x = 1,795,857,388.10
  5. Step 5: Solve for x
    x = 1,795,857,388.10/46,120.79
  6. Step 6: Final answer
    x = 38,938.13

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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.