Home / 45,413.40-68,131.02-14,248.65

Finding the Fourth Proportional to 45,413.40, 68,131.02 and 14,248.65

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Solution

The fourth proportional to 45,413.40, 68,131.02 and 14,248.65 is: 21,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413.40 : 68,131.02 = 14,248.65 : x
  2. Step 2: Convert to fraction form
    45,413.40/68,131.02 = 14,248.65/x
  3. Step 3: Cross multiply
    45,413.40x = 68,131.02 × 14,248.65
  4. Step 4: Simplify right side
    45,413.40x = 970,775,058.12
  5. Step 5: Solve for x
    x = 970,775,058.12/45,413.40
  6. Step 6: Final answer
    x = 21,376.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.