Home / 52,287.63-72,155.47-28,413.51

Finding the Fourth Proportional to 52,287.63, 72,155.47 and 28,413.51

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Solution

The fourth proportional to 52,287.63, 72,155.47 and 28,413.51 is: 39,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.63 : 72,155.47 = 28,413.51 : x
  2. Step 2: Convert to fraction form
    52,287.63/72,155.47 = 28,413.51/x
  3. Step 3: Cross multiply
    52,287.63x = 72,155.47 × 28,413.51
  4. Step 4: Simplify right side
    52,287.63x = 2,050,190,168.40
  5. Step 5: Solve for x
    x = 2,050,190,168.40/52,287.63
  6. Step 6: Final answer
    x = 39,209.85

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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.