Home / 38,621.87-53,270.64-35,445.45

Finding the Fourth Proportional to 38,621.87, 53,270.64 and 35,445.45

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Solution

The fourth proportional to 38,621.87, 53,270.64 and 35,445.45 is: 48,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.87 : 53,270.64 = 35,445.45 : x
  2. Step 2: Convert to fraction form
    38,621.87/53,270.64 = 35,445.45/x
  3. Step 3: Cross multiply
    38,621.87x = 53,270.64 × 35,445.45
  4. Step 4: Simplify right side
    38,621.87x = 1,888,201,806.59
  5. Step 5: Solve for x
    x = 1,888,201,806.59/38,621.87
  6. Step 6: Final answer
    x = 48,889.45

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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.