Home / 47,037.51-70,541.69-18,956.43

Finding the Fourth Proportional to 47,037.51, 70,541.69 and 18,956.43

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Solution

The fourth proportional to 47,037.51, 70,541.69 and 18,956.43 is: 28,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,037.51 : 70,541.69 = 18,956.43 : x
  2. Step 2: Convert to fraction form
    47,037.51/70,541.69 = 18,956.43/x
  3. Step 3: Cross multiply
    47,037.51x = 70,541.69 × 18,956.43
  4. Step 4: Simplify right side
    47,037.51x = 1,337,218,513.78
  5. Step 5: Solve for x
    x = 1,337,218,513.78/47,037.51
  6. Step 6: Final answer
    x = 28,428.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.