Home / 30,300.37-45,467.48-17,664.80

Finding the Fourth Proportional to 30,300.37, 45,467.48 and 17,664.80

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Solution

The fourth proportional to 30,300.37, 45,467.48 and 17,664.80 is: 26,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.37 : 45,467.48 = 17,664.80 : x
  2. Step 2: Convert to fraction form
    30,300.37/45,467.48 = 17,664.80/x
  3. Step 3: Cross multiply
    30,300.37x = 45,467.48 × 17,664.80
  4. Step 4: Simplify right side
    30,300.37x = 803,173,966.05
  5. Step 5: Solve for x
    x = 803,173,966.05/30,300.37
  6. Step 6: Final answer
    x = 26,507.07

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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.