Home / 29,313.63-43,809.48-21,432.72

Finding the Fourth Proportional to 29,313.63, 43,809.48 and 21,432.72

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Solution

The fourth proportional to 29,313.63, 43,809.48 and 21,432.72 is: 32,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.63 : 43,809.48 = 21,432.72 : x
  2. Step 2: Convert to fraction form
    29,313.63/43,809.48 = 21,432.72/x
  3. Step 3: Cross multiply
    29,313.63x = 43,809.48 × 21,432.72
  4. Step 4: Simplify right side
    29,313.63x = 938,956,318.19
  5. Step 5: Solve for x
    x = 938,956,318.19/29,313.63
  6. Step 6: Final answer
    x = 32,031.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.