Home / 35,655.36-49,207.75-21,315.23

Finding the Fourth Proportional to 35,655.36, 49,207.75 and 21,315.23

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Solution

The fourth proportional to 35,655.36, 49,207.75 and 21,315.23 is: 29,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.36 : 49,207.75 = 21,315.23 : x
  2. Step 2: Convert to fraction form
    35,655.36/49,207.75 = 21,315.23/x
  3. Step 3: Cross multiply
    35,655.36x = 49,207.75 × 21,315.23
  4. Step 4: Simplify right side
    35,655.36x = 1,048,874,790.93
  5. Step 5: Solve for x
    x = 1,048,874,790.93/35,655.36
  6. Step 6: Final answer
    x = 29,417.03

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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.