Home / 39,474,323.55-59,224,928.09-21,280,276.89

Finding the Fourth Proportional to 39,474,323.55, 59,224,928.09 and 21,280,276.89

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Solution

The fourth proportional to 39,474,323.55, 59,224,928.09 and 21,280,276.89 is: 31,927,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474,323.55 : 59,224,928.09 = 21,280,276.89 : x
  2. Step 2: Convert to fraction form
    39,474,323.55/59,224,928.09 = 21,280,276.89/x
  3. Step 3: Cross multiply
    39,474,323.55x = 59,224,928.09 × 21,280,276.89
  4. Step 4: Simplify right side
    39,474,323.55x = 1,260,322,868,439,137.50
  5. Step 5: Solve for x
    x = 1,260,322,868,439,137.50/39,474,323.55
  6. Step 6: Final answer
    x = 31,927,662.21

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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.