Home / 49,678.12-74,529.02-14,618.92

Finding the Fourth Proportional to 49,678.12, 74,529.02 and 14,618.92

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Solution

The fourth proportional to 49,678.12, 74,529.02 and 14,618.92 is: 21,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.12 : 74,529.02 = 14,618.92 : x
  2. Step 2: Convert to fraction form
    49,678.12/74,529.02 = 14,618.92/x
  3. Step 3: Cross multiply
    49,678.12x = 74,529.02 × 14,618.92
  4. Step 4: Simplify right side
    49,678.12x = 1,089,533,781.06
  5. Step 5: Solve for x
    x = 1,089,533,781.06/49,678.12
  6. Step 6: Final answer
    x = 21,931.86

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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.