Home / 35,515.80-53,271.61-13,327.30

Finding the Fourth Proportional to 35,515.80, 53,271.61 and 13,327.30

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Solution

The fourth proportional to 35,515.80, 53,271.61 and 13,327.30 is: 19,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.80 : 53,271.61 = 13,327.30 : x
  2. Step 2: Convert to fraction form
    35,515.80/53,271.61 = 13,327.30/x
  3. Step 3: Cross multiply
    35,515.80x = 53,271.61 × 13,327.30
  4. Step 4: Simplify right side
    35,515.80x = 709,966,761.22
  5. Step 5: Solve for x
    x = 709,966,761.22/35,515.80
  6. Step 6: Final answer
    x = 19,990.17

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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.