Home / 35,729.92-53,602.98-12,356.56

Finding the Fourth Proportional to 35,729.92, 53,602.98 and 12,356.56

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Solution

The fourth proportional to 35,729.92, 53,602.98 and 12,356.56 is: 18,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.92 : 53,602.98 = 12,356.56 : x
  2. Step 2: Convert to fraction form
    35,729.92/53,602.98 = 12,356.56/x
  3. Step 3: Cross multiply
    35,729.92x = 53,602.98 × 12,356.56
  4. Step 4: Simplify right side
    35,729.92x = 662,348,438.55
  5. Step 5: Solve for x
    x = 662,348,438.55/35,729.92
  6. Step 6: Final answer
    x = 18,537.64

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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.