Home / 39,699.59-59,551.88-13,047.35

Finding the Fourth Proportional to 39,699.59, 59,551.88 and 13,047.35

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Solution

The fourth proportional to 39,699.59, 59,551.88 and 13,047.35 is: 19,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699.59 : 59,551.88 = 13,047.35 : x
  2. Step 2: Convert to fraction form
    39,699.59/59,551.88 = 13,047.35/x
  3. Step 3: Cross multiply
    39,699.59x = 59,551.88 × 13,047.35
  4. Step 4: Simplify right side
    39,699.59x = 776,993,858.52
  5. Step 5: Solve for x
    x = 776,993,858.52/39,699.59
  6. Step 6: Final answer
    x = 19,571.84

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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.