Home / 49,349.60-74,024.40-12,413.60

Finding the Fourth Proportional to 49,349.60, 74,024.40 and 12,413.60

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Solution

The fourth proportional to 49,349.60, 74,024.40 and 12,413.60 is: 18,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,349.60 : 74,024.40 = 12,413.60 : x
  2. Step 2: Convert to fraction form
    49,349.60/74,024.40 = 12,413.60/x
  3. Step 3: Cross multiply
    49,349.60x = 74,024.40 × 12,413.60
  4. Step 4: Simplify right side
    49,349.60x = 918,909,291.84
  5. Step 5: Solve for x
    x = 918,909,291.84/49,349.60
  6. Step 6: Final answer
    x = 18,620.40

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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.