Home / 31,712.46-47,513.76-16,697.35

Finding the Fourth Proportional to 31,712.46, 47,513.76 and 16,697.35

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Solution

The fourth proportional to 31,712.46, 47,513.76 and 16,697.35 is: 25,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.46 : 47,513.76 = 16,697.35 : x
  2. Step 2: Convert to fraction form
    31,712.46/47,513.76 = 16,697.35/x
  3. Step 3: Cross multiply
    31,712.46x = 47,513.76 × 16,697.35
  4. Step 4: Simplify right side
    31,712.46x = 793,353,880.54
  5. Step 5: Solve for x
    x = 793,353,880.54/31,712.46
  6. Step 6: Final answer
    x = 25,017.10

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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.