Home / 39,107.61-58,669.58-12,810.29

Finding the Fourth Proportional to 39,107.61, 58,669.58 and 12,810.29

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Solution

The fourth proportional to 39,107.61, 58,669.58 and 12,810.29 is: 19,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.61 : 58,669.58 = 12,810.29 : x
  2. Step 2: Convert to fraction form
    39,107.61/58,669.58 = 12,810.29/x
  3. Step 3: Cross multiply
    39,107.61x = 58,669.58 × 12,810.29
  4. Step 4: Simplify right side
    39,107.61x = 751,574,072.66
  5. Step 5: Solve for x
    x = 751,574,072.66/39,107.61
  6. Step 6: Final answer
    x = 19,218.10

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1.5x scale

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.