Home / 39,928.08-59,891.04-10,345.80

Finding the Fourth Proportional to 39,928.08, 59,891.04 and 10,345.80

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Solution

The fourth proportional to 39,928.08, 59,891.04 and 10,345.80 is: 15,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.08 : 59,891.04 = 10,345.80 : x
  2. Step 2: Convert to fraction form
    39,928.08/59,891.04 = 10,345.80/x
  3. Step 3: Cross multiply
    39,928.08x = 59,891.04 × 10,345.80
  4. Step 4: Simplify right side
    39,928.08x = 619,620,721.63
  5. Step 5: Solve for x
    x = 619,620,721.63/39,928.08
  6. Step 6: Final answer
    x = 15,518.42

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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.