Home / 31,962.79-47,927.28-14,185.72

Finding the Fourth Proportional to 31,962.79, 47,927.28 and 14,185.72

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Solution

The fourth proportional to 31,962.79, 47,927.28 and 14,185.72 is: 21,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.79 : 47,927.28 = 14,185.72 : x
  2. Step 2: Convert to fraction form
    31,962.79/47,927.28 = 14,185.72/x
  3. Step 3: Cross multiply
    31,962.79x = 47,927.28 × 14,185.72
  4. Step 4: Simplify right side
    31,962.79x = 679,882,974.44
  5. Step 5: Solve for x
    x = 679,882,974.44/31,962.79
  6. Step 6: Final answer
    x = 21,271.08

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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.