Home / 35,802.11-49,413.38-20,692.68

Finding the Fourth Proportional to 35,802.11, 49,413.38 and 20,692.68

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Solution

The fourth proportional to 35,802.11, 49,413.38 and 20,692.68 is: 28,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,802.11 : 49,413.38 = 20,692.68 : x
  2. Step 2: Convert to fraction form
    35,802.11/49,413.38 = 20,692.68/x
  3. Step 3: Cross multiply
    35,802.11x = 49,413.38 × 20,692.68
  4. Step 4: Simplify right side
    35,802.11x = 1,022,495,156.60
  5. Step 5: Solve for x
    x = 1,022,495,156.60/35,802.11
  6. Step 6: Final answer
    x = 28,559.64

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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.