Home / 39,393.68-59,091.54-11,312.60

Finding the Fourth Proportional to 39,393.68, 59,091.54 and 11,312.60

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Solution

The fourth proportional to 39,393.68, 59,091.54 and 11,312.60 is: 16,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.68 : 59,091.54 = 11,312.60 : x
  2. Step 2: Convert to fraction form
    39,393.68/59,091.54 = 11,312.60/x
  3. Step 3: Cross multiply
    39,393.68x = 59,091.54 × 11,312.60
  4. Step 4: Simplify right side
    39,393.68x = 668,478,954.31
  5. Step 5: Solve for x
    x = 668,478,954.31/39,393.68
  6. Step 6: Final answer
    x = 16,969.19

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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.