Home / 35,729.36-49,309.64-30,709.84

Finding the Fourth Proportional to 35,729.36, 49,309.64 and 30,709.84

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Solution

The fourth proportional to 35,729.36, 49,309.64 and 30,709.84 is: 42,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.36 : 49,309.64 = 30,709.84 : x
  2. Step 2: Convert to fraction form
    35,729.36/49,309.64 = 30,709.84/x
  3. Step 3: Cross multiply
    35,729.36x = 49,309.64 × 30,709.84
  4. Step 4: Simplify right side
    35,729.36x = 1,514,291,154.86
  5. Step 5: Solve for x
    x = 1,514,291,154.86/35,729.36
  6. Step 6: Final answer
    x = 42,382.26

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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.