Home / 31,442.04-47,190.06-16,661.34

Finding the Fourth Proportional to 31,442.04, 47,190.06 and 16,661.34

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Solution

The fourth proportional to 31,442.04, 47,190.06 and 16,661.34 is: 25,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.04 : 47,190.06 = 16,661.34 : x
  2. Step 2: Convert to fraction form
    31,442.04/47,190.06 = 16,661.34/x
  3. Step 3: Cross multiply
    31,442.04x = 47,190.06 × 16,661.34
  4. Step 4: Simplify right side
    31,442.04x = 786,249,634.28
  5. Step 5: Solve for x
    x = 786,249,634.28/31,442.04
  6. Step 6: Final answer
    x = 25,006.32

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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.