Home / 64,742.22-89,342.19-36,444.06

Finding the Fourth Proportional to 64,742.22, 89,342.19 and 36,444.06

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Solution

The fourth proportional to 64,742.22, 89,342.19 and 36,444.06 is: 50,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742.22 : 89,342.19 = 36,444.06 : x
  2. Step 2: Convert to fraction form
    64,742.22/89,342.19 = 36,444.06/x
  3. Step 3: Cross multiply
    64,742.22x = 89,342.19 × 36,444.06
  4. Step 4: Simplify right side
    64,742.22x = 3,255,992,132.89
  5. Step 5: Solve for x
    x = 3,255,992,132.89/64,742.22
  6. Step 6: Final answer
    x = 50,291.64

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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.