Home / 39,413.12-54,386.40-23,494.40

Finding the Fourth Proportional to 39,413.12, 54,386.40 and 23,494.40

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Solution

The fourth proportional to 39,413.12, 54,386.40 and 23,494.40 is: 32,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.12 : 54,386.40 = 23,494.40 : x
  2. Step 2: Convert to fraction form
    39,413.12/54,386.40 = 23,494.40/x
  3. Step 3: Cross multiply
    39,413.12x = 54,386.40 × 23,494.40
  4. Step 4: Simplify right side
    39,413.12x = 1,277,775,836.16
  5. Step 5: Solve for x
    x = 1,277,775,836.16/39,413.12
  6. Step 6: Final answer
    x = 32,420.06

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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.