Home / 52,178.28-72,005.47-28,304.75

Finding the Fourth Proportional to 52,178.28, 72,005.47 and 28,304.75

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Solution

The fourth proportional to 52,178.28, 72,005.47 and 28,304.75 is: 39,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.28 : 72,005.47 = 28,304.75 : x
  2. Step 2: Convert to fraction form
    52,178.28/72,005.47 = 28,304.75/x
  3. Step 3: Cross multiply
    52,178.28x = 72,005.47 × 28,304.75
  4. Step 4: Simplify right side
    52,178.28x = 2,038,096,826.98
  5. Step 5: Solve for x
    x = 2,038,096,826.98/52,178.28
  6. Step 6: Final answer
    x = 39,060.25

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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.