Home / 39,428.68-59,152.44-13,133.64

Finding the Fourth Proportional to 39,428.68, 59,152.44 and 13,133.64

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Solution

The fourth proportional to 39,428.68, 59,152.44 and 13,133.64 is: 19,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428.68 : 59,152.44 = 13,133.64 : x
  2. Step 2: Convert to fraction form
    39,428.68/59,152.44 = 13,133.64/x
  3. Step 3: Cross multiply
    39,428.68x = 59,152.44 × 13,133.64
  4. Step 4: Simplify right side
    39,428.68x = 776,886,852.08
  5. Step 5: Solve for x
    x = 776,886,852.08/39,428.68
  6. Step 6: Final answer
    x = 19,703.60

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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.