Home / 53,215.82-73,438.34-29,343.36

Finding the Fourth Proportional to 53,215.82, 73,438.34 and 29,343.36

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Solution

The fourth proportional to 53,215.82, 73,438.34 and 29,343.36 is: 40,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.82 : 73,438.34 = 29,343.36 : x
  2. Step 2: Convert to fraction form
    53,215.82/73,438.34 = 29,343.36/x
  3. Step 3: Cross multiply
    53,215.82x = 73,438.34 × 29,343.36
  4. Step 4: Simplify right side
    53,215.82x = 2,154,927,501.71
  5. Step 5: Solve for x
    x = 2,154,927,501.71/53,215.82
  6. Step 6: Final answer
    x = 40,494.12

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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.