Home / 30,005.07-45,035.86-15,224.59

Finding the Fourth Proportional to 30,005.07, 45,035.86 and 15,224.59

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Solution

The fourth proportional to 30,005.07, 45,035.86 and 15,224.59 is: 22,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.07 : 45,035.86 = 15,224.59 : x
  2. Step 2: Convert to fraction form
    30,005.07/45,035.86 = 15,224.59/x
  3. Step 3: Cross multiply
    30,005.07x = 45,035.86 × 15,224.59
  4. Step 4: Simplify right side
    30,005.07x = 685,652,503.80
  5. Step 5: Solve for x
    x = 685,652,503.80/30,005.07
  6. Step 6: Final answer
    x = 22,851.22

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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.