Home / 34,828.57-48,075.69-20,681.31

Finding the Fourth Proportional to 34,828.57, 48,075.69 and 20,681.31

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Solution

The fourth proportional to 34,828.57, 48,075.69 and 20,681.31 is: 28,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,828.57 : 48,075.69 = 20,681.31 : x
  2. Step 2: Convert to fraction form
    34,828.57/48,075.69 = 20,681.31/x
  3. Step 3: Cross multiply
    34,828.57x = 48,075.69 × 20,681.31
  4. Step 4: Simplify right side
    34,828.57x = 994,268,248.35
  5. Step 5: Solve for x
    x = 994,268,248.35/34,828.57
  6. Step 6: Final answer
    x = 28,547.49

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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.