Home / 31,698.02-47,571.01-21,678.83

Finding the Fourth Proportional to 31,698.02, 47,571.01 and 21,678.83

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Solution

The fourth proportional to 31,698.02, 47,571.01 and 21,678.83 is: 32,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,698.02 : 47,571.01 = 21,678.83 : x
  2. Step 2: Convert to fraction form
    31,698.02/47,571.01 = 21,678.83/x
  3. Step 3: Cross multiply
    31,698.02x = 47,571.01 × 21,678.83
  4. Step 4: Simplify right side
    31,698.02x = 1,031,283,838.72
  5. Step 5: Solve for x
    x = 1,031,283,838.72/31,698.02
  6. Step 6: Final answer
    x = 32,534.65

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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.