Home / 31,376.66-47,075.79-19,676.18

Finding the Fourth Proportional to 31,376.66, 47,075.79 and 19,676.18

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Solution

The fourth proportional to 31,376.66, 47,075.79 and 19,676.18 is: 29,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.66 : 47,075.79 = 19,676.18 : x
  2. Step 2: Convert to fraction form
    31,376.66/47,075.79 = 19,676.18/x
  3. Step 3: Cross multiply
    31,376.66x = 47,075.79 × 19,676.18
  4. Step 4: Simplify right side
    31,376.66x = 926,271,717.68
  5. Step 5: Solve for x
    x = 926,271,717.68/31,376.66
  6. Step 6: Final answer
    x = 29,521.04

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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.