Home / 30,036.96-45,048.15-12,506.94

Finding the Fourth Proportional to 30,036.96, 45,048.15 and 12,506.94

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Solution

The fourth proportional to 30,036.96, 45,048.15 and 12,506.94 is: 18,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.96 : 45,048.15 = 12,506.94 : x
  2. Step 2: Convert to fraction form
    30,036.96/45,048.15 = 12,506.94/x
  3. Step 3: Cross multiply
    30,036.96x = 45,048.15 × 12,506.94
  4. Step 4: Simplify right side
    30,036.96x = 563,414,509.16
  5. Step 5: Solve for x
    x = 563,414,509.16/30,036.96
  6. Step 6: Final answer
    x = 18,757.37

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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.