Home / 39,172,846.40-58,759,269.60-21,032,993.60

Finding the Fourth Proportional to 39,172,846.40, 58,759,269.60 and 21,032,993.60

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Solution

The fourth proportional to 39,172,846.40, 58,759,269.60 and 21,032,993.60 is: 31,549,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172,846.40 : 58,759,269.60 = 21,032,993.60 : x
  2. Step 2: Convert to fraction form
    39,172,846.40/58,759,269.60 = 21,032,993.60/x
  3. Step 3: Cross multiply
    39,172,846.40x = 58,759,269.60 × 21,032,993.60
  4. Step 4: Simplify right side
    39,172,846.40x = 1,235,883,341,437,474.75
  5. Step 5: Solve for x
    x = 1,235,883,341,437,474.75/39,172,846.40
  6. Step 6: Final answer
    x = 31,549,490.40

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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.