Home / 30,130.52-45,200.01-12,596.36

Finding the Fourth Proportional to 30,130.52, 45,200.01 and 12,596.36

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Solution

The fourth proportional to 30,130.52, 45,200.01 and 12,596.36 is: 18,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.52 : 45,200.01 = 12,596.36 : x
  2. Step 2: Convert to fraction form
    30,130.52/45,200.01 = 12,596.36/x
  3. Step 3: Cross multiply
    30,130.52x = 45,200.01 × 12,596.36
  4. Step 4: Simplify right side
    30,130.52x = 569,355,597.96
  5. Step 5: Solve for x
    x = 569,355,597.96/30,130.52
  6. Step 6: Final answer
    x = 18,896.31

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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.