Home / 35,611.79-49,145.76-20,504.08

Finding the Fourth Proportional to 35,611.79, 49,145.76 and 20,504.08

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Solution

The fourth proportional to 35,611.79, 49,145.76 and 20,504.08 is: 28,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.79 : 49,145.76 = 20,504.08 : x
  2. Step 2: Convert to fraction form
    35,611.79/49,145.76 = 20,504.08/x
  3. Step 3: Cross multiply
    35,611.79x = 49,145.76 × 20,504.08
  4. Step 4: Simplify right side
    35,611.79x = 1,007,688,471.84
  5. Step 5: Solve for x
    x = 1,007,688,471.84/35,611.79
  6. Step 6: Final answer
    x = 28,296.48

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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.