Home / 57,264.57-85,875.80-19,815.03

Finding the Fourth Proportional to 57,264.57, 85,875.80 and 19,815.03

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Solution

The fourth proportional to 57,264.57, 85,875.80 and 19,815.03 is: 29,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,264.57 : 85,875.80 = 19,815.03 : x
  2. Step 2: Convert to fraction form
    57,264.57/85,875.80 = 19,815.03/x
  3. Step 3: Cross multiply
    57,264.57x = 85,875.80 × 19,815.03
  4. Step 4: Simplify right side
    57,264.57x = 1,701,631,454.20
  5. Step 5: Solve for x
    x = 1,701,631,454.20/57,264.57
  6. Step 6: Final answer
    x = 29,715.26

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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.