Home / 51,342.21-70,851.91-28,681.00

Finding the Fourth Proportional to 51,342.21, 70,851.91 and 28,681.00

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Solution

The fourth proportional to 51,342.21, 70,851.91 and 28,681.00 is: 39,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.21 : 70,851.91 = 28,681.00 : x
  2. Step 2: Convert to fraction form
    51,342.21/70,851.91 = 28,681.00/x
  3. Step 3: Cross multiply
    51,342.21x = 70,851.91 × 28,681.00
  4. Step 4: Simplify right side
    51,342.21x = 2,032,103,647.57
  5. Step 5: Solve for x
    x = 2,032,103,647.57/51,342.21
  6. Step 6: Final answer
    x = 39,579.59

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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.