Home / 53,390.40-80,012.70-35,570.40

Finding the Fourth Proportional to 53,390.40, 80,012.70 and 35,570.40

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Solution

The fourth proportional to 53,390.40, 80,012.70 and 35,570.40 is: 53,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.40 : 80,012.70 = 35,570.40 : x
  2. Step 2: Convert to fraction form
    53,390.40/80,012.70 = 35,570.40/x
  3. Step 3: Cross multiply
    53,390.40x = 80,012.70 × 35,570.40
  4. Step 4: Simplify right side
    53,390.40x = 2,846,083,744.08
  5. Step 5: Solve for x
    x = 2,846,083,744.08/53,390.40
  6. Step 6: Final answer
    x = 53,307.03

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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.