Home / 29,446.59-40,612.96-20,817.51

Finding the Fourth Proportional to 29,446.59, 40,612.96 and 20,817.51

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Solution

The fourth proportional to 29,446.59, 40,612.96 and 20,817.51 is: 28,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,446.59 : 40,612.96 = 20,817.51 : x
  2. Step 2: Convert to fraction form
    29,446.59/40,612.96 = 20,817.51/x
  3. Step 3: Cross multiply
    29,446.59x = 40,612.96 × 20,817.51
  4. Step 4: Simplify right side
    29,446.59x = 845,460,700.93
  5. Step 5: Solve for x
    x = 845,460,700.93/29,446.59
  6. Step 6: Final answer
    x = 28,711.67

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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.