Home / 39,015.42-58,529.21-12,714.05

Finding the Fourth Proportional to 39,015.42, 58,529.21 and 12,714.05

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Solution

The fourth proportional to 39,015.42, 58,529.21 and 12,714.05 is: 19,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.42 : 58,529.21 = 12,714.05 : x
  2. Step 2: Convert to fraction form
    39,015.42/58,529.21 = 12,714.05/x
  3. Step 3: Cross multiply
    39,015.42x = 58,529.21 × 12,714.05
  4. Step 4: Simplify right side
    39,015.42x = 744,142,946.18
  5. Step 5: Solve for x
    x = 744,142,946.18/39,015.42
  6. Step 6: Final answer
    x = 19,073.05

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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.