Home / 39,287.36-58,929.74-12,633.30

Finding the Fourth Proportional to 39,287.36, 58,929.74 and 12,633.30

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Solution

The fourth proportional to 39,287.36, 58,929.74 and 12,633.30 is: 18,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.36 : 58,929.74 = 12,633.30 : x
  2. Step 2: Convert to fraction form
    39,287.36/58,929.74 = 12,633.30/x
  3. Step 3: Cross multiply
    39,287.36x = 58,929.74 × 12,633.30
  4. Step 4: Simplify right side
    39,287.36x = 744,477,084.34
  5. Step 5: Solve for x
    x = 744,477,084.34/39,287.36
  6. Step 6: Final answer
    x = 18,949.53

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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.