Home / 43,674.90-65,512.35-18,710.70

Finding the Fourth Proportional to 43,674.90, 65,512.35 and 18,710.70

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Solution

The fourth proportional to 43,674.90, 65,512.35 and 18,710.70 is: 28,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.90 : 65,512.35 = 18,710.70 : x
  2. Step 2: Convert to fraction form
    43,674.90/65,512.35 = 18,710.70/x
  3. Step 3: Cross multiply
    43,674.90x = 65,512.35 × 18,710.70
  4. Step 4: Simplify right side
    43,674.90x = 1,225,781,927.15
  5. Step 5: Solve for x
    x = 1,225,781,927.15/43,674.90
  6. Step 6: Final answer
    x = 28,066.05

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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.