Home / 37,390.60-51,600.18-21,478.24

Finding the Fourth Proportional to 37,390.60, 51,600.18 and 21,478.24

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Solution

The fourth proportional to 37,390.60, 51,600.18 and 21,478.24 is: 29,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.60 : 51,600.18 = 21,478.24 : x
  2. Step 2: Convert to fraction form
    37,390.60/51,600.18 = 21,478.24/x
  3. Step 3: Cross multiply
    37,390.60x = 51,600.18 × 21,478.24
  4. Step 4: Simplify right side
    37,390.60x = 1,108,281,050.08
  5. Step 5: Solve for x
    x = 1,108,281,050.08/37,390.60
  6. Step 6: Final answer
    x = 29,640.63

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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.