Home / 53,215.36-73,436.80-29,342.08

Finding the Fourth Proportional to 53,215.36, 73,436.80 and 29,342.08

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Solution

The fourth proportional to 53,215.36, 73,436.80 and 29,342.08 is: 40,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.36 : 73,436.80 = 29,342.08 : x
  2. Step 2: Convert to fraction form
    53,215.36/73,436.80 = 29,342.08/x
  3. Step 3: Cross multiply
    53,215.36x = 73,436.80 × 29,342.08
  4. Step 4: Simplify right side
    53,215.36x = 2,154,788,460.54
  5. Step 5: Solve for x
    x = 2,154,788,460.54/53,215.36
  6. Step 6: Final answer
    x = 40,491.85

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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.