Home / 39,090.54-58,643.02-12,796.74

Finding the Fourth Proportional to 39,090.54, 58,643.02 and 12,796.74

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Solution

The fourth proportional to 39,090.54, 58,643.02 and 12,796.74 is: 19,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.54 : 58,643.02 = 12,796.74 : x
  2. Step 2: Convert to fraction form
    39,090.54/58,643.02 = 12,796.74/x
  3. Step 3: Cross multiply
    39,090.54x = 58,643.02 × 12,796.74
  4. Step 4: Simplify right side
    39,090.54x = 750,439,479.75
  5. Step 5: Solve for x
    x = 750,439,479.75/39,090.54
  6. Step 6: Final answer
    x = 19,197.47

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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.