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Finding the Fourth Proportional to 35,576.51, 53,364.77 and 13,394.87

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Solution

The fourth proportional to 35,576.51, 53,364.77 and 13,394.87 is: 20,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,576.51 : 53,364.77 = 13,394.87 : x
  2. Step 2: Convert to fraction form
    35,576.51/53,364.77 = 13,394.87/x
  3. Step 3: Cross multiply
    35,576.51x = 53,364.77 × 13,394.87
  4. Step 4: Simplify right side
    35,576.51x = 714,813,889.91
  5. Step 5: Solve for x
    x = 714,813,889.91/35,576.51
  6. Step 6: Final answer
    x = 20,092.30

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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.