Home / 35,128.79-48,476.69-19,212.89

Finding the Fourth Proportional to 35,128.79, 48,476.69 and 19,212.89

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Solution

The fourth proportional to 35,128.79, 48,476.69 and 19,212.89 is: 26,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.79 : 48,476.69 = 19,212.89 : x
  2. Step 2: Convert to fraction form
    35,128.79/48,476.69 = 19,212.89/x
  3. Step 3: Cross multiply
    35,128.79x = 48,476.69 × 19,212.89
  4. Step 4: Simplify right side
    35,128.79x = 931,377,312.53
  5. Step 5: Solve for x
    x = 931,377,312.53/35,128.79
  6. Step 6: Final answer
    x = 26,513.22

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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.