Home / 31,852.65-47,784.71-13,122.45

Finding the Fourth Proportional to 31,852.65, 47,784.71 and 13,122.45

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Solution

The fourth proportional to 31,852.65, 47,784.71 and 13,122.45 is: 19,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.65 : 47,784.71 = 13,122.45 : x
  2. Step 2: Convert to fraction form
    31,852.65/47,784.71 = 13,122.45/x
  3. Step 3: Cross multiply
    31,852.65x = 47,784.71 × 13,122.45
  4. Step 4: Simplify right side
    31,852.65x = 627,052,500.55
  5. Step 5: Solve for x
    x = 627,052,500.55/31,852.65
  6. Step 6: Final answer
    x = 19,686.04

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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.