Home / 53,943.12-74,413.80-36,032.40

Finding the Fourth Proportional to 53,943.12, 74,413.80 and 36,032.40

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Solution

The fourth proportional to 53,943.12, 74,413.80 and 36,032.40 is: 49,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.12 : 74,413.80 = 36,032.40 : x
  2. Step 2: Convert to fraction form
    53,943.12/74,413.80 = 36,032.40/x
  3. Step 3: Cross multiply
    53,943.12x = 74,413.80 × 36,032.40
  4. Step 4: Simplify right side
    53,943.12x = 2,681,307,807.12
  5. Step 5: Solve for x
    x = 2,681,307,807.12/53,943.12
  6. Step 6: Final answer
    x = 49,706.21

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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.