Home / 30,465.35-45,697.50-12,705.56

Finding the Fourth Proportional to 30,465.35, 45,697.50 and 12,705.56

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Solution

The fourth proportional to 30,465.35, 45,697.50 and 12,705.56 is: 19,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465.35 : 45,697.50 = 12,705.56 : x
  2. Step 2: Convert to fraction form
    30,465.35/45,697.50 = 12,705.56/x
  3. Step 3: Cross multiply
    30,465.35x = 45,697.50 × 12,705.56
  4. Step 4: Simplify right side
    30,465.35x = 580,612,270.98
  5. Step 5: Solve for x
    x = 580,612,270.98/30,465.35
  6. Step 6: Final answer
    x = 19,058.12

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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.