Home / 51,653.72-71,276.66-28,995.20

Finding the Fourth Proportional to 51,653.72, 71,276.66 and 28,995.20

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Solution

The fourth proportional to 51,653.72, 71,276.66 and 28,995.20 is: 40,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.72 : 71,276.66 = 28,995.20 : x
  2. Step 2: Convert to fraction form
    51,653.72/71,276.66 = 28,995.20/x
  3. Step 3: Cross multiply
    51,653.72x = 71,276.66 × 28,995.20
  4. Step 4: Simplify right side
    51,653.72x = 2,066,681,206.07
  5. Step 5: Solve for x
    x = 2,066,681,206.07/51,653.72
  6. Step 6: Final answer
    x = 40,010.31

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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.