Home / 39,437.76-59,156.79-9,855.60

Finding the Fourth Proportional to 39,437.76, 59,156.79 and 9,855.60

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Solution

The fourth proportional to 39,437.76, 59,156.79 and 9,855.60 is: 14,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,437.76 : 59,156.79 = 9,855.60 : x
  2. Step 2: Convert to fraction form
    39,437.76/59,156.79 = 9,855.60/x
  3. Step 3: Cross multiply
    39,437.76x = 59,156.79 × 9,855.60
  4. Step 4: Simplify right side
    39,437.76x = 583,025,659.52
  5. Step 5: Solve for x
    x = 583,025,659.52/39,437.76
  6. Step 6: Final answer
    x = 14,783.44

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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.