Home / 59,907.20-89,933.70-30,309.80

Finding the Fourth Proportional to 59,907.20, 89,933.70 and 30,309.80

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Solution

The fourth proportional to 59,907.20, 89,933.70 and 30,309.80 is: 45,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,907.20 : 89,933.70 = 30,309.80 : x
  2. Step 2: Convert to fraction form
    59,907.20/89,933.70 = 30,309.80/x
  3. Step 3: Cross multiply
    59,907.20x = 89,933.70 × 30,309.80
  4. Step 4: Simplify right side
    59,907.20x = 2,725,872,460.26
  5. Step 5: Solve for x
    x = 2,725,872,460.26/59,907.20
  6. Step 6: Final answer
    x = 45,501.58

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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.