Home / 37,156.68-51,276.06-20,389.32

Finding the Fourth Proportional to 37,156.68, 51,276.06 and 20,389.32

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Solution

The fourth proportional to 37,156.68, 51,276.06 and 20,389.32 is: 28,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.68 : 51,276.06 = 20,389.32 : x
  2. Step 2: Convert to fraction form
    37,156.68/51,276.06 = 20,389.32/x
  3. Step 3: Cross multiply
    37,156.68x = 51,276.06 × 20,389.32
  4. Step 4: Simplify right side
    37,156.68x = 1,045,483,995.68
  5. Step 5: Solve for x
    x = 1,045,483,995.68/37,156.68
  6. Step 6: Final answer
    x = 28,137.17

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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.