Home / 35,413.40-48,873.33-20,307.45

Finding the Fourth Proportional to 35,413.40, 48,873.33 and 20,307.45

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Solution

The fourth proportional to 35,413.40, 48,873.33 and 20,307.45 is: 28,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.40 : 48,873.33 = 20,307.45 : x
  2. Step 2: Convert to fraction form
    35,413.40/48,873.33 = 20,307.45/x
  3. Step 3: Cross multiply
    35,413.40x = 48,873.33 × 20,307.45
  4. Step 4: Simplify right side
    35,413.40x = 992,492,705.31
  5. Step 5: Solve for x
    x = 992,492,705.31/35,413.40
  6. Step 6: Final answer
    x = 28,025.91

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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.