Home / 57,325.65-85,989.48-19,887.04

Finding the Fourth Proportional to 57,325.65, 85,989.48 and 19,887.04

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Solution

The fourth proportional to 57,325.65, 85,989.48 and 19,887.04 is: 29,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,325.65 : 85,989.48 = 19,887.04 : x
  2. Step 2: Convert to fraction form
    57,325.65/85,989.48 = 19,887.04/x
  3. Step 3: Cross multiply
    57,325.65x = 85,989.48 × 19,887.04
  4. Step 4: Simplify right side
    57,325.65x = 1,710,076,228.34
  5. Step 5: Solve for x
    x = 1,710,076,228.34/57,325.65
  6. Step 6: Final answer
    x = 29,830.91

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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.