Home / 50,970.16-76,381.31-28,736.10

Finding the Fourth Proportional to 50,970.16, 76,381.31 and 28,736.10

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Solution

The fourth proportional to 50,970.16, 76,381.31 and 28,736.10 is: 43,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,970.16 : 76,381.31 = 28,736.10 : x
  2. Step 2: Convert to fraction form
    50,970.16/76,381.31 = 28,736.10/x
  3. Step 3: Cross multiply
    50,970.16x = 76,381.31 × 28,736.10
  4. Step 4: Simplify right side
    50,970.16x = 2,194,901,034.13
  5. Step 5: Solve for x
    x = 2,194,901,034.13/50,970.16
  6. Step 6: Final answer
    x = 43,062.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.