Home / 39,863.40-59,795.10-28,053.60

Finding the Fourth Proportional to 39,863.40, 59,795.10 and 28,053.60

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Solution

The fourth proportional to 39,863.40, 59,795.10 and 28,053.60 is: 42,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,863.40 : 59,795.10 = 28,053.60 : x
  2. Step 2: Convert to fraction form
    39,863.40/59,795.10 = 28,053.60/x
  3. Step 3: Cross multiply
    39,863.40x = 59,795.10 × 28,053.60
  4. Step 4: Simplify right side
    39,863.40x = 1,677,467,817.36
  5. Step 5: Solve for x
    x = 1,677,467,817.36/39,863.40
  6. Step 6: Final answer
    x = 42,080.40

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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.