Home / 31,075.97-42,883.62-18,996.67

Finding the Fourth Proportional to 31,075.97, 42,883.62 and 18,996.67

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Solution

The fourth proportional to 31,075.97, 42,883.62 and 18,996.67 is: 26,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.97 : 42,883.62 = 18,996.67 : x
  2. Step 2: Convert to fraction form
    31,075.97/42,883.62 = 18,996.67/x
  3. Step 3: Cross multiply
    31,075.97x = 42,883.62 × 18,996.67
  4. Step 4: Simplify right side
    31,075.97x = 814,646,066.77
  5. Step 5: Solve for x
    x = 814,646,066.77/31,075.97
  6. Step 6: Final answer
    x = 26,214.67

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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.