Home / 31,055.03-42,855.93-16,907.87

Finding the Fourth Proportional to 31,055.03, 42,855.93 and 16,907.87

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Solution

The fourth proportional to 31,055.03, 42,855.93 and 16,907.87 is: 23,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055.03 : 42,855.93 = 16,907.87 : x
  2. Step 2: Convert to fraction form
    31,055.03/42,855.93 = 16,907.87/x
  3. Step 3: Cross multiply
    31,055.03x = 42,855.93 × 16,907.87
  4. Step 4: Simplify right side
    31,055.03x = 724,602,278.89
  5. Step 5: Solve for x
    x = 724,602,278.89/31,055.03
  6. Step 6: Final answer
    x = 23,332.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.