Home / 65,433.78-90,298.40-36,749.52

Finding the Fourth Proportional to 65,433.78, 90,298.40 and 36,749.52

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Solution

The fourth proportional to 65,433.78, 90,298.40 and 36,749.52 is: 50,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.78 : 90,298.40 = 36,749.52 : x
  2. Step 2: Convert to fraction form
    65,433.78/90,298.40 = 36,749.52/x
  3. Step 3: Cross multiply
    65,433.78x = 90,298.40 × 36,749.52
  4. Step 4: Simplify right side
    65,433.78x = 3,318,422,673.02
  5. Step 5: Solve for x
    x = 3,318,422,673.02/65,433.78
  6. Step 6: Final answer
    x = 50,714.21

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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.