Home / 39,436.12-59,141.22-13,133.80

Finding the Fourth Proportional to 39,436.12, 59,141.22 and 13,133.80

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Solution

The fourth proportional to 39,436.12, 59,141.22 and 13,133.80 is: 19,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.12 : 59,141.22 = 13,133.80 : x
  2. Step 2: Convert to fraction form
    39,436.12/59,141.22 = 13,133.80/x
  3. Step 3: Cross multiply
    39,436.12x = 59,141.22 × 13,133.80
  4. Step 4: Simplify right side
    39,436.12x = 776,748,955.24
  5. Step 5: Solve for x
    x = 776,748,955.24/39,436.12
  6. Step 6: Final answer
    x = 19,696.38

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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.