Home / 37,642.20-51,946.21-20,875.20

Finding the Fourth Proportional to 37,642.20, 51,946.21 and 20,875.20

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Solution

The fourth proportional to 37,642.20, 51,946.21 and 20,875.20 is: 28,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642.20 : 51,946.21 = 20,875.20 : x
  2. Step 2: Convert to fraction form
    37,642.20/51,946.21 = 20,875.20/x
  3. Step 3: Cross multiply
    37,642.20x = 51,946.21 × 20,875.20
  4. Step 4: Simplify right side
    37,642.20x = 1,084,387,522.99
  5. Step 5: Solve for x
    x = 1,084,387,522.99/37,642.20
  6. Step 6: Final answer
    x = 28,807.76

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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.