Home / 39,685.52-59,528.28-18,845.84

Finding the Fourth Proportional to 39,685.52, 59,528.28 and 18,845.84

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Solution

The fourth proportional to 39,685.52, 59,528.28 and 18,845.84 is: 28,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.52 : 59,528.28 = 18,845.84 : x
  2. Step 2: Convert to fraction form
    39,685.52/59,528.28 = 18,845.84/x
  3. Step 3: Cross multiply
    39,685.52x = 59,528.28 × 18,845.84
  4. Step 4: Simplify right side
    39,685.52x = 1,121,860,440.36
  5. Step 5: Solve for x
    x = 1,121,860,440.36/39,685.52
  6. Step 6: Final answer
    x = 28,268.76

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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.