Home / 39,811.84-59,705.06-13,152.88

Finding the Fourth Proportional to 39,811.84, 59,705.06 and 13,152.88

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Solution

The fourth proportional to 39,811.84, 59,705.06 and 13,152.88 is: 19,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.84 : 59,705.06 = 13,152.88 : x
  2. Step 2: Convert to fraction form
    39,811.84/59,705.06 = 13,152.88/x
  3. Step 3: Cross multiply
    39,811.84x = 59,705.06 × 13,152.88
  4. Step 4: Simplify right side
    39,811.84x = 785,293,489.57
  5. Step 5: Solve for x
    x = 785,293,489.57/39,811.84
  6. Step 6: Final answer
    x = 19,725.12

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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.