Home / 38,077.16-57,134.94-21,455.72

Finding the Fourth Proportional to 38,077.16, 57,134.94 and 21,455.72

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Solution

The fourth proportional to 38,077.16, 57,134.94 and 21,455.72 is: 32,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.16 : 57,134.94 = 21,455.72 : x
  2. Step 2: Convert to fraction form
    38,077.16/57,134.94 = 21,455.72/x
  3. Step 3: Cross multiply
    38,077.16x = 57,134.94 × 21,455.72
  4. Step 4: Simplify right side
    38,077.16x = 1,225,871,274.86
  5. Step 5: Solve for x
    x = 1,225,871,274.86/38,077.16
  6. Step 6: Final answer
    x = 32,194.40

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1.5x scale

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.