Home / 39,810.64-59,629.82-18,719.07

Finding the Fourth Proportional to 39,810.64, 59,629.82 and 18,719.07

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Solution

The fourth proportional to 39,810.64, 59,629.82 and 18,719.07 is: 28,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.64 : 59,629.82 = 18,719.07 : x
  2. Step 2: Convert to fraction form
    39,810.64/59,629.82 = 18,719.07/x
  3. Step 3: Cross multiply
    39,810.64x = 59,629.82 × 18,719.07
  4. Step 4: Simplify right side
    39,810.64x = 1,116,214,830.15
  5. Step 5: Solve for x
    x = 1,116,214,830.15/39,810.64
  6. Step 6: Final answer
    x = 28,038.10

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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.