Home / 49,748.68-74,623.74-12,812.68

Finding the Fourth Proportional to 49,748.68, 74,623.74 and 12,812.68

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Solution

The fourth proportional to 49,748.68, 74,623.74 and 12,812.68 is: 19,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.68 : 74,623.74 = 12,812.68 : x
  2. Step 2: Convert to fraction form
    49,748.68/74,623.74 = 12,812.68/x
  3. Step 3: Cross multiply
    49,748.68x = 74,623.74 × 12,812.68
  4. Step 4: Simplify right side
    49,748.68x = 956,130,101.02
  5. Step 5: Solve for x
    x = 956,130,101.02/49,748.68
  6. Step 6: Final answer
    x = 19,219.21

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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.