Home / 30,407.64-45,537.36-17,220.08

Finding the Fourth Proportional to 30,407.64, 45,537.36 and 17,220.08

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Solution

The fourth proportional to 30,407.64, 45,537.36 and 17,220.08 is: 25,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.64 : 45,537.36 = 17,220.08 : x
  2. Step 2: Convert to fraction form
    30,407.64/45,537.36 = 17,220.08/x
  3. Step 3: Cross multiply
    30,407.64x = 45,537.36 × 17,220.08
  4. Step 4: Simplify right side
    30,407.64x = 784,156,982.19
  5. Step 5: Solve for x
    x = 784,156,982.19/30,407.64
  6. Step 6: Final answer
    x = 25,788.16

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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.