Home / 30,056.79-41,478.76-17,312.21

Finding the Fourth Proportional to 30,056.79, 41,478.76 and 17,312.21

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Solution

The fourth proportional to 30,056.79, 41,478.76 and 17,312.21 is: 23,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.79 : 41,478.76 = 17,312.21 : x
  2. Step 2: Convert to fraction form
    30,056.79/41,478.76 = 17,312.21/x
  3. Step 3: Cross multiply
    30,056.79x = 41,478.76 × 17,312.21
  4. Step 4: Simplify right side
    30,056.79x = 718,088,752.99
  5. Step 5: Solve for x
    x = 718,088,752.99/30,056.79
  6. Step 6: Final answer
    x = 23,891.07

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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.