Home / 51,072.21-70,444.58-30,894.30

Finding the Fourth Proportional to 51,072.21, 70,444.58 and 30,894.30

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Solution

The fourth proportional to 51,072.21, 70,444.58 and 30,894.30 is: 42,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.21 : 70,444.58 = 30,894.30 : x
  2. Step 2: Convert to fraction form
    51,072.21/70,444.58 = 30,894.30/x
  3. Step 3: Cross multiply
    51,072.21x = 70,444.58 × 30,894.30
  4. Step 4: Simplify right side
    51,072.21x = 2,176,335,833.42
  5. Step 5: Solve for x
    x = 2,176,335,833.42/51,072.21
  6. Step 6: Final answer
    x = 42,612.92

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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.