Home / 30,263.55-41,752.93-18,947.18

Finding the Fourth Proportional to 30,263.55, 41,752.93 and 18,947.18

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Solution

The fourth proportional to 30,263.55, 41,752.93 and 18,947.18 is: 26,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.55 : 41,752.93 = 18,947.18 : x
  2. Step 2: Convert to fraction form
    30,263.55/41,752.93 = 18,947.18/x
  3. Step 3: Cross multiply
    30,263.55x = 41,752.93 × 18,947.18
  4. Step 4: Simplify right side
    30,263.55x = 791,100,280.24
  5. Step 5: Solve for x
    x = 791,100,280.24/30,263.55
  6. Step 6: Final answer
    x = 26,140.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.