Home / 53,507.84-80,267.06-19,782.69

Finding the Fourth Proportional to 53,507.84, 80,267.06 and 19,782.69

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Solution

The fourth proportional to 53,507.84, 80,267.06 and 19,782.69 is: 29,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,507.84 : 80,267.06 = 19,782.69 : x
  2. Step 2: Convert to fraction form
    53,507.84/80,267.06 = 19,782.69/x
  3. Step 3: Cross multiply
    53,507.84x = 80,267.06 × 19,782.69
  4. Step 4: Simplify right side
    53,507.84x = 1,587,898,365.19
  5. Step 5: Solve for x
    x = 1,587,898,365.19/53,507.84
  6. Step 6: Final answer
    x = 29,675.99

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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.