Home / 31,430.25-47,135.33-10,366.35

Finding the Fourth Proportional to 31,430.25, 47,135.33 and 10,366.35

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Solution

The fourth proportional to 31,430.25, 47,135.33 and 10,366.35 is: 15,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.25 : 47,135.33 = 10,366.35 : x
  2. Step 2: Convert to fraction form
    31,430.25/47,135.33 = 10,366.35/x
  3. Step 3: Cross multiply
    31,430.25x = 47,135.33 × 10,366.35
  4. Step 4: Simplify right side
    31,430.25x = 488,621,276.31
  5. Step 5: Solve for x
    x = 488,621,276.31/31,430.25
  6. Step 6: Final answer
    x = 15,546.21

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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.