Home / 31,975.65-47,963.40-8,602.11

Finding the Fourth Proportional to 31,975.65, 47,963.40 and 8,602.11

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Solution

The fourth proportional to 31,975.65, 47,963.40 and 8,602.11 is: 12,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.65 : 47,963.40 = 8,602.11 : x
  2. Step 2: Convert to fraction form
    31,975.65/47,963.40 = 8,602.11/x
  3. Step 3: Cross multiply
    31,975.65x = 47,963.40 × 8,602.11
  4. Step 4: Simplify right side
    31,975.65x = 412,586,442.77
  5. Step 5: Solve for x
    x = 412,586,442.77/31,975.65
  6. Step 6: Final answer
    x = 12,903.14

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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.