Home / 37,812.48-52,181.28-21,897.84

Finding the Fourth Proportional to 37,812.48, 52,181.28 and 21,897.84

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Solution

The fourth proportional to 37,812.48, 52,181.28 and 21,897.84 is: 30,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.48 : 52,181.28 = 21,897.84 : x
  2. Step 2: Convert to fraction form
    37,812.48/52,181.28 = 21,897.84/x
  3. Step 3: Cross multiply
    37,812.48x = 52,181.28 × 21,897.84
  4. Step 4: Simplify right side
    37,812.48x = 1,142,657,320.44
  5. Step 5: Solve for x
    x = 1,142,657,320.44/37,812.48
  6. Step 6: Final answer
    x = 30,219.05

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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.