Home / 30,386.82-45,622.62-15,605.94

Finding the Fourth Proportional to 30,386.82, 45,622.62 and 15,605.94

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Solution

The fourth proportional to 30,386.82, 45,622.62 and 15,605.94 is: 23,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.82 : 45,622.62 = 15,605.94 : x
  2. Step 2: Convert to fraction form
    30,386.82/45,622.62 = 15,605.94/x
  3. Step 3: Cross multiply
    30,386.82x = 45,622.62 × 15,605.94
  4. Step 4: Simplify right side
    30,386.82x = 711,983,870.36
  5. Step 5: Solve for x
    x = 711,983,870.36/30,386.82
  6. Step 6: Final answer
    x = 23,430.68

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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.