Home / 40,010.09-59,972.00-20,290.23

Finding the Fourth Proportional to 40,010.09, 59,972.00 and 20,290.23

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Solution

The fourth proportional to 40,010.09, 59,972.00 and 20,290.23 is: 30,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.09 : 59,972.00 = 20,290.23 : x
  2. Step 2: Convert to fraction form
    40,010.09/59,972.00 = 20,290.23/x
  3. Step 3: Cross multiply
    40,010.09x = 59,972.00 × 20,290.23
  4. Step 4: Simplify right side
    40,010.09x = 1,216,845,572.11
  5. Step 5: Solve for x
    x = 1,216,845,572.11/40,010.09
  6. Step 6: Final answer
    x = 30,413.47

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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.