Home / 35,407.67-53,120.61-13,221.23

Finding the Fourth Proportional to 35,407.67, 53,120.61 and 13,221.23

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Solution

The fourth proportional to 35,407.67, 53,120.61 and 13,221.23 is: 19,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.67 : 53,120.61 = 13,221.23 : x
  2. Step 2: Convert to fraction form
    35,407.67/53,120.61 = 13,221.23/x
  3. Step 3: Cross multiply
    35,407.67x = 53,120.61 × 13,221.23
  4. Step 4: Simplify right side
    35,407.67x = 702,319,536.95
  5. Step 5: Solve for x
    x = 702,319,536.95/35,407.67
  6. Step 6: Final answer
    x = 19,835.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.