Home / 53,012.79-73,159.23-30,359.12

Finding the Fourth Proportional to 53,012.79, 73,159.23 and 30,359.12

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Solution

The fourth proportional to 53,012.79, 73,159.23 and 30,359.12 is: 41,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.79 : 73,159.23 = 30,359.12 : x
  2. Step 2: Convert to fraction form
    53,012.79/73,159.23 = 30,359.12/x
  3. Step 3: Cross multiply
    53,012.79x = 73,159.23 × 30,359.12
  4. Step 4: Simplify right side
    53,012.79x = 2,221,049,590.73
  5. Step 5: Solve for x
    x = 2,221,049,590.73/53,012.79
  6. Step 6: Final answer
    x = 41,896.49

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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.