Home / 38,423.09-57,636.40-14,413.13

Finding the Fourth Proportional to 38,423.09, 57,636.40 and 14,413.13

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Solution

The fourth proportional to 38,423.09, 57,636.40 and 14,413.13 is: 21,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.09 : 57,636.40 = 14,413.13 : x
  2. Step 2: Convert to fraction form
    38,423.09/57,636.40 = 14,413.13/x
  3. Step 3: Cross multiply
    38,423.09x = 57,636.40 × 14,413.13
  4. Step 4: Simplify right side
    38,423.09x = 830,721,088.04
  5. Step 5: Solve for x
    x = 830,721,088.04/38,423.09
  6. Step 6: Final answer
    x = 21,620.36

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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.