Home / 49,430.16-74,127.84-21,342.56

Finding the Fourth Proportional to 49,430.16, 74,127.84 and 21,342.56

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Solution

The fourth proportional to 49,430.16, 74,127.84 and 21,342.56 is: 32,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.16 : 74,127.84 = 21,342.56 : x
  2. Step 2: Convert to fraction form
    49,430.16/74,127.84 = 21,342.56/x
  3. Step 3: Cross multiply
    49,430.16x = 74,127.84 × 21,342.56
  4. Step 4: Simplify right side
    49,430.16x = 1,582,077,872.87
  5. Step 5: Solve for x
    x = 1,582,077,872.87/49,430.16
  6. Step 6: Final answer
    x = 32,006.33

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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.