Home / 31,804.37-47,705.34-13,079.20

Finding the Fourth Proportional to 31,804.37, 47,705.34 and 13,079.20

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Solution

The fourth proportional to 31,804.37, 47,705.34 and 13,079.20 is: 19,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.37 : 47,705.34 = 13,079.20 : x
  2. Step 2: Convert to fraction form
    31,804.37/47,705.34 = 13,079.20/x
  3. Step 3: Cross multiply
    31,804.37x = 47,705.34 × 13,079.20
  4. Step 4: Simplify right side
    31,804.37x = 623,947,444.40
  5. Step 5: Solve for x
    x = 623,947,444.40/31,804.37
  6. Step 6: Final answer
    x = 19,618.29

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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.