Home / 35,903.34-53,864.60-31,981.46

Finding the Fourth Proportional to 35,903.34, 53,864.60 and 31,981.46

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Solution

The fourth proportional to 35,903.34, 53,864.60 and 31,981.46 is: 47,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.34 : 53,864.60 = 31,981.46 : x
  2. Step 2: Convert to fraction form
    35,903.34/53,864.60 = 31,981.46/x
  3. Step 3: Cross multiply
    35,903.34x = 53,864.60 × 31,981.46
  4. Step 4: Simplify right side
    35,903.34x = 1,722,668,121.09
  5. Step 5: Solve for x
    x = 1,722,668,121.09/35,903.34
  6. Step 6: Final answer
    x = 47,980.72

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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.