Home / 34,810.51-52,172.89-13,729.35

Finding the Fourth Proportional to 34,810.51, 52,172.89 and 13,729.35

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Solution

The fourth proportional to 34,810.51, 52,172.89 and 13,729.35 is: 20,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.51 : 52,172.89 = 13,729.35 : x
  2. Step 2: Convert to fraction form
    34,810.51/52,172.89 = 13,729.35/x
  3. Step 3: Cross multiply
    34,810.51x = 52,172.89 × 13,729.35
  4. Step 4: Simplify right side
    34,810.51x = 716,299,798.67
  5. Step 5: Solve for x
    x = 716,299,798.67/34,810.51
  6. Step 6: Final answer
    x = 20,577.11

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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.