Home / 30,687.60-46,031.40-26,313.60

Finding the Fourth Proportional to 30,687.60, 46,031.40 and 26,313.60

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Solution

The fourth proportional to 30,687.60, 46,031.40 and 26,313.60 is: 39,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.60 : 46,031.40 = 26,313.60 : x
  2. Step 2: Convert to fraction form
    30,687.60/46,031.40 = 26,313.60/x
  3. Step 3: Cross multiply
    30,687.60x = 46,031.40 × 26,313.60
  4. Step 4: Simplify right side
    30,687.60x = 1,211,251,847.04
  5. Step 5: Solve for x
    x = 1,211,251,847.04/30,687.60
  6. Step 6: Final answer
    x = 39,470.40

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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.