Home / 37,590.90-51,875.64-21,238.18

Finding the Fourth Proportional to 37,590.90, 51,875.64 and 21,238.18

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Solution

The fourth proportional to 37,590.90, 51,875.64 and 21,238.18 is: 29,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,590.90 : 51,875.64 = 21,238.18 : x
  2. Step 2: Convert to fraction form
    37,590.90/51,875.64 = 21,238.18/x
  3. Step 3: Cross multiply
    37,590.90x = 51,875.64 × 21,238.18
  4. Step 4: Simplify right side
    37,590.90x = 1,101,744,179.94
  5. Step 5: Solve for x
    x = 1,101,744,179.94/37,590.90
  6. Step 6: Final answer
    x = 29,308.80

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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.