Home / 30,281.57-45,425.39-11,577.35

Finding the Fourth Proportional to 30,281.57, 45,425.39 and 11,577.35

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Solution

The fourth proportional to 30,281.57, 45,425.39 and 11,577.35 is: 17,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.57 : 45,425.39 = 11,577.35 : x
  2. Step 2: Convert to fraction form
    30,281.57/45,425.39 = 11,577.35/x
  3. Step 3: Cross multiply
    30,281.57x = 45,425.39 × 11,577.35
  4. Step 4: Simplify right side
    30,281.57x = 525,905,353.90
  5. Step 5: Solve for x
    x = 525,905,353.90/30,281.57
  6. Step 6: Final answer
    x = 17,367.17

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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.