Home / 42,256.91-63,378.99-14,172.19

Finding the Fourth Proportional to 42,256.91, 63,378.99 and 14,172.19

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Solution

The fourth proportional to 42,256.91, 63,378.99 and 14,172.19 is: 21,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,256.91 : 63,378.99 = 14,172.19 : x
  2. Step 2: Convert to fraction form
    42,256.91/63,378.99 = 14,172.19/x
  3. Step 3: Cross multiply
    42,256.91x = 63,378.99 × 14,172.19
  4. Step 4: Simplify right side
    42,256.91x = 898,218,929.84
  5. Step 5: Solve for x
    x = 898,218,929.84/42,256.91
  6. Step 6: Final answer
    x = 21,256.14

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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.