Home / 84,946.81-127,429.44-28,013.73

Finding the Fourth Proportional to 84,946.81, 127,429.44 and 28,013.73

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Solution

The fourth proportional to 84,946.81, 127,429.44 and 28,013.73 is: 42,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.81 : 127,429.44 = 28,013.73 : x
  2. Step 2: Convert to fraction form
    84,946.81/127,429.44 = 28,013.73/x
  3. Step 3: Cross multiply
    84,946.81x = 127,429.44 × 28,013.73
  4. Step 4: Simplify right side
    84,946.81x = 3,569,773,926.21
  5. Step 5: Solve for x
    x = 3,569,773,926.21/84,946.81
  6. Step 6: Final answer
    x = 42,023.64

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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.