Home / 47,395.68-65,405.88-28,533.84

Finding the Fourth Proportional to 47,395.68, 65,405.88 and 28,533.84

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Solution

The fourth proportional to 47,395.68, 65,405.88 and 28,533.84 is: 39,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.68 : 65,405.88 = 28,533.84 : x
  2. Step 2: Convert to fraction form
    47,395.68/65,405.88 = 28,533.84/x
  3. Step 3: Cross multiply
    47,395.68x = 65,405.88 × 28,533.84
  4. Step 4: Simplify right side
    47,395.68x = 1,866,280,914.98
  5. Step 5: Solve for x
    x = 1,866,280,914.98/47,395.68
  6. Step 6: Final answer
    x = 39,376.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.