Home / 52,053.96-78,095.52-20,911.08

Finding the Fourth Proportional to 52,053.96, 78,095.52 and 20,911.08

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Solution

The fourth proportional to 52,053.96, 78,095.52 and 20,911.08 is: 31,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.96 : 78,095.52 = 20,911.08 : x
  2. Step 2: Convert to fraction form
    52,053.96/78,095.52 = 20,911.08/x
  3. Step 3: Cross multiply
    52,053.96x = 78,095.52 × 20,911.08
  4. Step 4: Simplify right side
    52,053.96x = 1,633,061,666.36
  5. Step 5: Solve for x
    x = 1,633,061,666.36/52,053.96
  6. Step 6: Final answer
    x = 31,372.48

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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.