Home / 50,666.28-76,009.18-21,068.20

Finding the Fourth Proportional to 50,666.28, 76,009.18 and 21,068.20

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Solution

The fourth proportional to 50,666.28, 76,009.18 and 21,068.20 is: 31,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.28 : 76,009.18 = 21,068.20 : x
  2. Step 2: Convert to fraction form
    50,666.28/76,009.18 = 21,068.20/x
  3. Step 3: Cross multiply
    50,666.28x = 76,009.18 × 21,068.20
  4. Step 4: Simplify right side
    50,666.28x = 1,601,376,606.08
  5. Step 5: Solve for x
    x = 1,601,376,606.08/50,666.28
  6. Step 6: Final answer
    x = 31,606.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.