Home / 65,327.83-90,157.65-38,112.28

Finding the Fourth Proportional to 65,327.83, 90,157.65 and 38,112.28

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Solution

The fourth proportional to 65,327.83, 90,157.65 and 38,112.28 is: 52,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.83 : 90,157.65 = 38,112.28 : x
  2. Step 2: Convert to fraction form
    65,327.83/90,157.65 = 38,112.28/x
  3. Step 3: Cross multiply
    65,327.83x = 90,157.65 × 38,112.28
  4. Step 4: Simplify right side
    65,327.83x = 3,436,113,600.94
  5. Step 5: Solve for x
    x = 3,436,113,600.94/65,327.83
  6. Step 6: Final answer
    x = 52,598.01

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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.