Home / 45,178.89-67,780.14-15,598.77

Finding the Fourth Proportional to 45,178.89, 67,780.14 and 15,598.77

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Solution

The fourth proportional to 45,178.89, 67,780.14 and 15,598.77 is: 23,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,178.89 : 67,780.14 = 15,598.77 : x
  2. Step 2: Convert to fraction form
    45,178.89/67,780.14 = 15,598.77/x
  3. Step 3: Cross multiply
    45,178.89x = 67,780.14 × 15,598.77
  4. Step 4: Simplify right side
    45,178.89x = 1,057,286,814.43
  5. Step 5: Solve for x
    x = 1,057,286,814.43/45,178.89
  6. Step 6: Final answer
    x = 23,402.23

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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.