Home / 35,615.18-49,148.70-19,699.04

Finding the Fourth Proportional to 35,615.18, 49,148.70 and 19,699.04

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Solution

The fourth proportional to 35,615.18, 49,148.70 and 19,699.04 is: 27,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.18 : 49,148.70 = 19,699.04 : x
  2. Step 2: Convert to fraction form
    35,615.18/49,148.70 = 19,699.04/x
  3. Step 3: Cross multiply
    35,615.18x = 49,148.70 × 19,699.04
  4. Step 4: Simplify right side
    35,615.18x = 968,182,207.25
  5. Step 5: Solve for x
    x = 968,182,207.25/35,615.18
  6. Step 6: Final answer
    x = 27,184.54

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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.