Home / 39,210.80-58,815.70-9,628.76

Finding the Fourth Proportional to 39,210.80, 58,815.70 and 9,628.76

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Solution

The fourth proportional to 39,210.80, 58,815.70 and 9,628.76 is: 14,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.80 : 58,815.70 = 9,628.76 : x
  2. Step 2: Convert to fraction form
    39,210.80/58,815.70 = 9,628.76/x
  3. Step 3: Cross multiply
    39,210.80x = 58,815.70 × 9,628.76
  4. Step 4: Simplify right side
    39,210.80x = 566,322,259.53
  5. Step 5: Solve for x
    x = 566,322,259.53/39,210.80
  6. Step 6: Final answer
    x = 14,443.02

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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.