Home / 45,905.04-68,852.07-12,628.47

Finding the Fourth Proportional to 45,905.04, 68,852.07 and 12,628.47

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Solution

The fourth proportional to 45,905.04, 68,852.07 and 12,628.47 is: 18,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.04 : 68,852.07 = 12,628.47 : x
  2. Step 2: Convert to fraction form
    45,905.04/68,852.07 = 12,628.47/x
  3. Step 3: Cross multiply
    45,905.04x = 68,852.07 × 12,628.47
  4. Step 4: Simplify right side
    45,905.04x = 869,496,300.43
  5. Step 5: Solve for x
    x = 869,496,300.43/45,905.04
  6. Step 6: Final answer
    x = 18,941.19

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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.