Home / 37,088.17-51,181.70-21,988.28

Finding the Fourth Proportional to 37,088.17, 51,181.70 and 21,988.28

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Solution

The fourth proportional to 37,088.17, 51,181.70 and 21,988.28 is: 30,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.17 : 51,181.70 = 21,988.28 : x
  2. Step 2: Convert to fraction form
    37,088.17/51,181.70 = 21,988.28/x
  3. Step 3: Cross multiply
    37,088.17x = 51,181.70 × 21,988.28
  4. Step 4: Simplify right side
    37,088.17x = 1,125,397,550.48
  5. Step 5: Solve for x
    x = 1,125,397,550.48/37,088.17
  6. Step 6: Final answer
    x = 30,343.84

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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.