Home / 52,220.74-72,065.37-28,347.46

Finding the Fourth Proportional to 52,220.74, 72,065.37 and 28,347.46

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Solution

The fourth proportional to 52,220.74, 72,065.37 and 28,347.46 is: 39,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.74 : 72,065.37 = 28,347.46 : x
  2. Step 2: Convert to fraction form
    52,220.74/72,065.37 = 28,347.46/x
  3. Step 3: Cross multiply
    52,220.74x = 72,065.37 × 28,347.46
  4. Step 4: Simplify right side
    52,220.74x = 2,042,870,193.46
  5. Step 5: Solve for x
    x = 2,042,870,193.46/52,220.74
  6. Step 6: Final answer
    x = 39,119.90

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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.