Home / 52,289.69-72,161.51-30,775.55

Finding the Fourth Proportional to 52,289.69, 72,161.51 and 30,775.55

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Solution

The fourth proportional to 52,289.69, 72,161.51 and 30,775.55 is: 42,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,289.69 : 72,161.51 = 30,775.55 : x
  2. Step 2: Convert to fraction form
    52,289.69/72,161.51 = 30,775.55/x
  3. Step 3: Cross multiply
    52,289.69x = 72,161.51 × 30,775.55
  4. Step 4: Simplify right side
    52,289.69x = 2,220,809,644.40
  5. Step 5: Solve for x
    x = 2,220,809,644.40/52,289.69
  6. Step 6: Final answer
    x = 42,471.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.