Home / 39,085.36-58,636.24-12,788.06

Finding the Fourth Proportional to 39,085.36, 58,636.24 and 12,788.06

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Solution

The fourth proportional to 39,085.36, 58,636.24 and 12,788.06 is: 19,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.36 : 58,636.24 = 12,788.06 : x
  2. Step 2: Convert to fraction form
    39,085.36/58,636.24 = 12,788.06/x
  3. Step 3: Cross multiply
    39,085.36x = 58,636.24 × 12,788.06
  4. Step 4: Simplify right side
    39,085.36x = 749,843,755.29
  5. Step 5: Solve for x
    x = 749,843,755.29/39,085.36
  6. Step 6: Final answer
    x = 19,184.77

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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.