Home / 30,052.15-45,053.92-12,535.09

Finding the Fourth Proportional to 30,052.15, 45,053.92 and 12,535.09

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Solution

The fourth proportional to 30,052.15, 45,053.92 and 12,535.09 is: 18,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.15 : 45,053.92 = 12,535.09 : x
  2. Step 2: Convert to fraction form
    30,052.15/45,053.92 = 12,535.09/x
  3. Step 3: Cross multiply
    30,052.15x = 45,053.92 × 12,535.09
  4. Step 4: Simplify right side
    30,052.15x = 564,754,845.09
  5. Step 5: Solve for x
    x = 564,754,845.09/30,052.15
  6. Step 6: Final answer
    x = 18,792.50

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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.