Home / 37,386.04-51,591-21,459.28

Finding the Fourth Proportional to 37,386.04, 51,591 and 21,459.28

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Solution

The fourth proportional to 37,386.04, 51,591 and 21,459.28 is: 29,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.04 : 51,591 = 21,459.28 : x
  2. Step 2: Convert to fraction form
    37,386.04/51,591 = 21,459.28/x
  3. Step 3: Cross multiply
    37,386.04x = 51,591 × 21,459.28
  4. Step 4: Simplify right side
    37,386.04x = 1,107,105,714.48
  5. Step 5: Solve for x
    x = 1,107,105,714.48/37,386.04
  6. Step 6: Final answer
    x = 29,612.81

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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.