Home / 35,385.93-53,078.81-12,012.35

Finding the Fourth Proportional to 35,385.93, 53,078.81 and 12,012.35

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Solution

The fourth proportional to 35,385.93, 53,078.81 and 12,012.35 is: 18,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.93 : 53,078.81 = 12,012.35 : x
  2. Step 2: Convert to fraction form
    35,385.93/53,078.81 = 12,012.35/x
  3. Step 3: Cross multiply
    35,385.93x = 53,078.81 × 12,012.35
  4. Step 4: Simplify right side
    35,385.93x = 637,600,917.85
  5. Step 5: Solve for x
    x = 637,600,917.85/35,385.93
  6. Step 6: Final answer
    x = 18,018.49

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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.