Home / 35,520.47-53,266.75-13,321.74

Finding the Fourth Proportional to 35,520.47, 53,266.75 and 13,321.74

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Solution

The fourth proportional to 35,520.47, 53,266.75 and 13,321.74 is: 19,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520.47 : 53,266.75 = 13,321.74 : x
  2. Step 2: Convert to fraction form
    35,520.47/53,266.75 = 13,321.74/x
  3. Step 3: Cross multiply
    35,520.47x = 53,266.75 × 13,321.74
  4. Step 4: Simplify right side
    35,520.47x = 709,605,760.84
  5. Step 5: Solve for x
    x = 709,605,760.84/35,520.47
  6. Step 6: Final answer
    x = 19,977.38

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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.