Home / 30,266.99-45,400.02-13,615.26

Finding the Fourth Proportional to 30,266.99, 45,400.02 and 13,615.26

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Solution

The fourth proportional to 30,266.99, 45,400.02 and 13,615.26 is: 20,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.99 : 45,400.02 = 13,615.26 : x
  2. Step 2: Convert to fraction form
    30,266.99/45,400.02 = 13,615.26/x
  3. Step 3: Cross multiply
    30,266.99x = 45,400.02 × 13,615.26
  4. Step 4: Simplify right side
    30,266.99x = 618,133,076.31
  5. Step 5: Solve for x
    x = 618,133,076.31/30,266.99
  6. Step 6: Final answer
    x = 20,422.68

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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.