Home / 35,931.41-49,580.73-20,823.96

Finding the Fourth Proportional to 35,931.41, 49,580.73 and 20,823.96

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Solution

The fourth proportional to 35,931.41, 49,580.73 and 20,823.96 is: 28,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.41 : 49,580.73 = 20,823.96 : x
  2. Step 2: Convert to fraction form
    35,931.41/49,580.73 = 20,823.96/x
  3. Step 3: Cross multiply
    35,931.41x = 49,580.73 × 20,823.96
  4. Step 4: Simplify right side
    35,931.41x = 1,032,467,138.29
  5. Step 5: Solve for x
    x = 1,032,467,138.29/35,931.41
  6. Step 6: Final answer
    x = 28,734.39

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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.