Home / 35,128.18-48,476.21-19,212.58

Finding the Fourth Proportional to 35,128.18, 48,476.21 and 19,212.58

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Solution

The fourth proportional to 35,128.18, 48,476.21 and 19,212.58 is: 26,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.18 : 48,476.21 = 19,212.58 : x
  2. Step 2: Convert to fraction form
    35,128.18/48,476.21 = 19,212.58/x
  3. Step 3: Cross multiply
    35,128.18x = 48,476.21 × 19,212.58
  4. Step 4: Simplify right side
    35,128.18x = 931,353,062.72
  5. Step 5: Solve for x
    x = 931,353,062.72/35,128.18
  6. Step 6: Final answer
    x = 26,512.99

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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.