Home / 37,235.20-51,384.52-21,319.60

Finding the Fourth Proportional to 37,235.20, 51,384.52 and 21,319.60

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Solution

The fourth proportional to 37,235.20, 51,384.52 and 21,319.60 is: 29,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.20 : 51,384.52 = 21,319.60 : x
  2. Step 2: Convert to fraction form
    37,235.20/51,384.52 = 21,319.60/x
  3. Step 3: Cross multiply
    37,235.20x = 51,384.52 × 21,319.60
  4. Step 4: Simplify right side
    37,235.20x = 1,095,497,412.59
  5. Step 5: Solve for x
    x = 1,095,497,412.59/37,235.20
  6. Step 6: Final answer
    x = 29,421.02

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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.