Home / 39,485.84-59,220.02-11,399.78

Finding the Fourth Proportional to 39,485.84, 59,220.02 and 11,399.78

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Solution

The fourth proportional to 39,485.84, 59,220.02 and 11,399.78 is: 17,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.84 : 59,220.02 = 11,399.78 : x
  2. Step 2: Convert to fraction form
    39,485.84/59,220.02 = 11,399.78/x
  3. Step 3: Cross multiply
    39,485.84x = 59,220.02 × 11,399.78
  4. Step 4: Simplify right side
    39,485.84x = 675,095,344.08
  5. Step 5: Solve for x
    x = 675,095,344.08/39,485.84
  6. Step 6: Final answer
    x = 17,097.15

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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.