Home / 35,715.72-49,274.96-20,612.19

Finding the Fourth Proportional to 35,715.72, 49,274.96 and 20,612.19

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Solution

The fourth proportional to 35,715.72, 49,274.96 and 20,612.19 is: 28,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.72 : 49,274.96 = 20,612.19 : x
  2. Step 2: Convert to fraction form
    35,715.72/49,274.96 = 20,612.19/x
  3. Step 3: Cross multiply
    35,715.72x = 49,274.96 × 20,612.19
  4. Step 4: Simplify right side
    35,715.72x = 1,015,664,837.76
  5. Step 5: Solve for x
    x = 1,015,664,837.76/35,715.72
  6. Step 6: Final answer
    x = 28,437.47

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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.