Home / 30,434.33-45,666.59-20,551.93

Finding the Fourth Proportional to 30,434.33, 45,666.59 and 20,551.93

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Solution

The fourth proportional to 30,434.33, 45,666.59 and 20,551.93 is: 30,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.33 : 45,666.59 = 20,551.93 : x
  2. Step 2: Convert to fraction form
    30,434.33/45,666.59 = 20,551.93/x
  3. Step 3: Cross multiply
    30,434.33x = 45,666.59 × 20,551.93
  4. Step 4: Simplify right side
    30,434.33x = 938,536,344.09
  5. Step 5: Solve for x
    x = 938,536,344.09/30,434.33
  6. Step 6: Final answer
    x = 30,838.08

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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.