Home / 49,376.41-68,139.40-27,870.68

Finding the Fourth Proportional to 49,376.41, 68,139.40 and 27,870.68

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Solution

The fourth proportional to 49,376.41, 68,139.40 and 27,870.68 is: 38,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.41 : 68,139.40 = 27,870.68 : x
  2. Step 2: Convert to fraction form
    49,376.41/68,139.40 = 27,870.68/x
  3. Step 3: Cross multiply
    49,376.41x = 68,139.40 × 27,870.68
  4. Step 4: Simplify right side
    49,376.41x = 1,899,091,644.11
  5. Step 5: Solve for x
    x = 1,899,091,644.11/49,376.41
  6. Step 6: Final answer
    x = 38,461.52

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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.