Home / 53,215.59-73,448.16-30,570.11

Finding the Fourth Proportional to 53,215.59, 73,448.16 and 30,570.11

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Solution

The fourth proportional to 53,215.59, 73,448.16 and 30,570.11 is: 42,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.59 : 73,448.16 = 30,570.11 : x
  2. Step 2: Convert to fraction form
    53,215.59/73,448.16 = 30,570.11/x
  3. Step 3: Cross multiply
    53,215.59x = 73,448.16 × 30,570.11
  4. Step 4: Simplify right side
    53,215.59x = 2,245,318,177.65
  5. Step 5: Solve for x
    x = 2,245,318,177.65/53,215.59
  6. Step 6: Final answer
    x = 42,192.86

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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.