Home / 39,612.87-59,423.18-11,533.20

Finding the Fourth Proportional to 39,612.87, 59,423.18 and 11,533.20

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Solution

The fourth proportional to 39,612.87, 59,423.18 and 11,533.20 is: 17,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.87 : 59,423.18 = 11,533.20 : x
  2. Step 2: Convert to fraction form
    39,612.87/59,423.18 = 11,533.20/x
  3. Step 3: Cross multiply
    39,612.87x = 59,423.18 × 11,533.20
  4. Step 4: Simplify right side
    39,612.87x = 685,339,361.91
  5. Step 5: Solve for x
    x = 685,339,361.91/39,612.87
  6. Step 6: Final answer
    x = 17,300.93

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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.