Home / 38,803.19-53,541.87-22,890.78

Finding the Fourth Proportional to 38,803.19, 53,541.87 and 22,890.78

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Solution

The fourth proportional to 38,803.19, 53,541.87 and 22,890.78 is: 31,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.19 : 53,541.87 = 22,890.78 : x
  2. Step 2: Convert to fraction form
    38,803.19/53,541.87 = 22,890.78/x
  3. Step 3: Cross multiply
    38,803.19x = 53,541.87 × 22,890.78
  4. Step 4: Simplify right side
    38,803.19x = 1,225,615,166.96
  5. Step 5: Solve for x
    x = 1,225,615,166.96/38,803.19
  6. Step 6: Final answer
    x = 31,585.43

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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.