Home / 35,740.27-49,323.78-20,635.69

Finding the Fourth Proportional to 35,740.27, 49,323.78 and 20,635.69

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Solution

The fourth proportional to 35,740.27, 49,323.78 and 20,635.69 is: 28,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.27 : 49,323.78 = 20,635.69 : x
  2. Step 2: Convert to fraction form
    35,740.27/49,323.78 = 20,635.69/x
  3. Step 3: Cross multiply
    35,740.27x = 49,323.78 × 20,635.69
  4. Step 4: Simplify right side
    35,740.27x = 1,017,830,233.71
  5. Step 5: Solve for x
    x = 1,017,830,233.71/35,740.27
  6. Step 6: Final answer
    x = 28,478.53

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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.