Home / 57,742.12-79,678.38-32,586.76

Finding the Fourth Proportional to 57,742.12, 79,678.38 and 32,586.76

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Solution

The fourth proportional to 57,742.12, 79,678.38 and 32,586.76 is: 44,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742.12 : 79,678.38 = 32,586.76 : x
  2. Step 2: Convert to fraction form
    57,742.12/79,678.38 = 32,586.76/x
  3. Step 3: Cross multiply
    57,742.12x = 79,678.38 × 32,586.76
  4. Step 4: Simplify right side
    57,742.12x = 2,596,460,246.25
  5. Step 5: Solve for x
    x = 2,596,460,246.25/57,742.12
  6. Step 6: Final answer
    x = 44,966.49

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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.