Home / 36,130.05-49,869.47-21,025.64

Finding the Fourth Proportional to 36,130.05, 49,869.47 and 21,025.64

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Solution

The fourth proportional to 36,130.05, 49,869.47 and 21,025.64 is: 29,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.05 : 49,869.47 = 21,025.64 : x
  2. Step 2: Convert to fraction form
    36,130.05/49,869.47 = 21,025.64/x
  3. Step 3: Cross multiply
    36,130.05x = 49,869.47 × 21,025.64
  4. Step 4: Simplify right side
    36,130.05x = 1,048,537,700.45
  5. Step 5: Solve for x
    x = 1,048,537,700.45/36,130.05
  6. Step 6: Final answer
    x = 29,021.21

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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.