Home / 30,931.60-46,359.38-12,192.84

Finding the Fourth Proportional to 30,931.60, 46,359.38 and 12,192.84

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Solution

The fourth proportional to 30,931.60, 46,359.38 and 12,192.84 is: 18,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.60 : 46,359.38 = 12,192.84 : x
  2. Step 2: Convert to fraction form
    30,931.60/46,359.38 = 12,192.84/x
  3. Step 3: Cross multiply
    30,931.60x = 46,359.38 × 12,192.84
  4. Step 4: Simplify right side
    30,931.60x = 565,252,502.84
  5. Step 5: Solve for x
    x = 565,252,502.84/30,931.60
  6. Step 6: Final answer
    x = 18,274.27

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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.