Home / 34,466.25-51,699.18-13,420.93

Finding the Fourth Proportional to 34,466.25, 51,699.18 and 13,420.93

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Solution

The fourth proportional to 34,466.25, 51,699.18 and 13,420.93 is: 20,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,466.25 : 51,699.18 = 13,420.93 : x
  2. Step 2: Convert to fraction form
    34,466.25/51,699.18 = 13,420.93/x
  3. Step 3: Cross multiply
    34,466.25x = 51,699.18 × 13,420.93
  4. Step 4: Simplify right side
    34,466.25x = 693,851,075.84
  5. Step 5: Solve for x
    x = 693,851,075.84/34,466.25
  6. Step 6: Final answer
    x = 20,131.32

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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.