Home / 30,494.40-45,675.36-19,373.28

Finding the Fourth Proportional to 30,494.40, 45,675.36 and 19,373.28

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Solution

The fourth proportional to 30,494.40, 45,675.36 and 19,373.28 is: 29,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.40 : 45,675.36 = 19,373.28 : x
  2. Step 2: Convert to fraction form
    30,494.40/45,675.36 = 19,373.28/x
  3. Step 3: Cross multiply
    30,494.40x = 45,675.36 × 19,373.28
  4. Step 4: Simplify right side
    30,494.40x = 884,881,538.38
  5. Step 5: Solve for x
    x = 884,881,538.38/30,494.40
  6. Step 6: Final answer
    x = 29,017.84

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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.