Home / 36,285.05-54,423.47-12,588.23

Finding the Fourth Proportional to 36,285.05, 54,423.47 and 12,588.23

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Solution

The fourth proportional to 36,285.05, 54,423.47 and 12,588.23 is: 18,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.05 : 54,423.47 = 12,588.23 : x
  2. Step 2: Convert to fraction form
    36,285.05/54,423.47 = 12,588.23/x
  3. Step 3: Cross multiply
    36,285.05x = 54,423.47 × 12,588.23
  4. Step 4: Simplify right side
    36,285.05x = 685,094,822.70
  5. Step 5: Solve for x
    x = 685,094,822.70/36,285.05
  6. Step 6: Final answer
    x = 18,880.91

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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.