Home / 31,219.40-46,829.10-31,000.70

Finding the Fourth Proportional to 31,219.40, 46,829.10 and 31,000.70

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Solution

The fourth proportional to 31,219.40, 46,829.10 and 31,000.70 is: 46,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.40 : 46,829.10 = 31,000.70 : x
  2. Step 2: Convert to fraction form
    31,219.40/46,829.10 = 31,000.70/x
  3. Step 3: Cross multiply
    31,219.40x = 46,829.10 × 31,000.70
  4. Step 4: Simplify right side
    31,219.40x = 1,451,734,880.37
  5. Step 5: Solve for x
    x = 1,451,734,880.37/31,219.40
  6. Step 6: Final answer
    x = 46,501.05

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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.