Home / 37,910.08-52,316.32-21,143.36

Finding the Fourth Proportional to 37,910.08, 52,316.32 and 21,143.36

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Solution

The fourth proportional to 37,910.08, 52,316.32 and 21,143.36 is: 29,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910.08 : 52,316.32 = 21,143.36 : x
  2. Step 2: Convert to fraction form
    37,910.08/52,316.32 = 21,143.36/x
  3. Step 3: Cross multiply
    37,910.08x = 52,316.32 × 21,143.36
  4. Step 4: Simplify right side
    37,910.08x = 1,106,142,787.64
  5. Step 5: Solve for x
    x = 1,106,142,787.64/37,910.08
  6. Step 6: Final answer
    x = 29,178.07

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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.