Home / 30,389.68-45,537.72-15,577.84

Finding the Fourth Proportional to 30,389.68, 45,537.72 and 15,577.84

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Solution

The fourth proportional to 30,389.68, 45,537.72 and 15,577.84 is: 23,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.68 : 45,537.72 = 15,577.84 : x
  2. Step 2: Convert to fraction form
    30,389.68/45,537.72 = 15,577.84/x
  3. Step 3: Cross multiply
    30,389.68x = 45,537.72 × 15,577.84
  4. Step 4: Simplify right side
    30,389.68x = 709,379,316.12
  5. Step 5: Solve for x
    x = 709,379,316.12/30,389.68
  6. Step 6: Final answer
    x = 23,342.77

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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.