Home / 30,369.35-45,554.09-15,570.18

Finding the Fourth Proportional to 30,369.35, 45,554.09 and 15,570.18

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Solution

The fourth proportional to 30,369.35, 45,554.09 and 15,570.18 is: 23,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.35 : 45,554.09 = 15,570.18 : x
  2. Step 2: Convert to fraction form
    30,369.35/45,554.09 = 15,570.18/x
  3. Step 3: Cross multiply
    30,369.35x = 45,554.09 × 15,570.18
  4. Step 4: Simplify right side
    30,369.35x = 709,285,303.19
  5. Step 5: Solve for x
    x = 709,285,303.19/30,369.35
  6. Step 6: Final answer
    x = 23,355.30

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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.