Home / 30,492.27-42,156.36-22,521.87

Finding the Fourth Proportional to 30,492.27, 42,156.36 and 22,521.87

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Solution

The fourth proportional to 30,492.27, 42,156.36 and 22,521.87 is: 31,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492.27 : 42,156.36 = 22,521.87 : x
  2. Step 2: Convert to fraction form
    30,492.27/42,156.36 = 22,521.87/x
  3. Step 3: Cross multiply
    30,492.27x = 42,156.36 × 22,521.87
  4. Step 4: Simplify right side
    30,492.27x = 949,440,059.59
  5. Step 5: Solve for x
    x = 949,440,059.59/30,492.27
  6. Step 6: Final answer
    x = 31,137.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.