Home / 49,948.02-74,916.81-18,785.70

Finding the Fourth Proportional to 49,948.02, 74,916.81 and 18,785.70

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Solution

The fourth proportional to 49,948.02, 74,916.81 and 18,785.70 is: 28,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,948.02 : 74,916.81 = 18,785.70 : x
  2. Step 2: Convert to fraction form
    49,948.02/74,916.81 = 18,785.70/x
  3. Step 3: Cross multiply
    49,948.02x = 74,916.81 × 18,785.70
  4. Step 4: Simplify right side
    49,948.02x = 1,407,364,717.62
  5. Step 5: Solve for x
    x = 1,407,364,717.62/49,948.02
  6. Step 6: Final answer
    x = 28,176.59

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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.