Home / 37,370.40-51,573.20-21,455.87

Finding the Fourth Proportional to 37,370.40, 51,573.20 and 21,455.87

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Solution

The fourth proportional to 37,370.40, 51,573.20 and 21,455.87 is: 29,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,370.40 : 51,573.20 = 21,455.87 : x
  2. Step 2: Convert to fraction form
    37,370.40/51,573.20 = 21,455.87/x
  3. Step 3: Cross multiply
    37,370.40x = 51,573.20 × 21,455.87
  4. Step 4: Simplify right side
    37,370.40x = 1,106,547,509.54
  5. Step 5: Solve for x
    x = 1,106,547,509.54/37,370.40
  6. Step 6: Final answer
    x = 29,610.27

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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.