Home / 42,509.21-63,750.20-14,039.82

Finding the Fourth Proportional to 42,509.21, 63,750.20 and 14,039.82

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Solution

The fourth proportional to 42,509.21, 63,750.20 and 14,039.82 is: 21,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,509.21 : 63,750.20 = 14,039.82 : x
  2. Step 2: Convert to fraction form
    42,509.21/63,750.20 = 14,039.82/x
  3. Step 3: Cross multiply
    42,509.21x = 63,750.20 × 14,039.82
  4. Step 4: Simplify right side
    42,509.21x = 895,041,262.76
  5. Step 5: Solve for x
    x = 895,041,262.76/42,509.21
  6. Step 6: Final answer
    x = 21,055.23

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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.