Home / 39,080.36-58,628.74-12,783.05

Finding the Fourth Proportional to 39,080.36, 58,628.74 and 12,783.05

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Solution

The fourth proportional to 39,080.36, 58,628.74 and 12,783.05 is: 19,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,080.36 : 58,628.74 = 12,783.05 : x
  2. Step 2: Convert to fraction form
    39,080.36/58,628.74 = 12,783.05/x
  3. Step 3: Cross multiply
    39,080.36x = 58,628.74 × 12,783.05
  4. Step 4: Simplify right side
    39,080.36x = 749,454,114.86
  5. Step 5: Solve for x
    x = 749,454,114.86/39,080.36
  6. Step 6: Final answer
    x = 19,177.26

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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.