Home / 35,437.94-48,905.76-20,331.24

Finding the Fourth Proportional to 35,437.94, 48,905.76 and 20,331.24

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Solution

The fourth proportional to 35,437.94, 48,905.76 and 20,331.24 is: 28,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,437.94 : 48,905.76 = 20,331.24 : x
  2. Step 2: Convert to fraction form
    35,437.94/48,905.76 = 20,331.24/x
  3. Step 3: Cross multiply
    35,437.94x = 48,905.76 × 20,331.24
  4. Step 4: Simplify right side
    35,437.94x = 994,314,814.52
  5. Step 5: Solve for x
    x = 994,314,814.52/35,437.94
  6. Step 6: Final answer
    x = 28,057.92

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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.