Home / 42,491.90-63,697.97-14,392.28

Finding the Fourth Proportional to 42,491.90, 63,697.97 and 14,392.28

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Solution

The fourth proportional to 42,491.90, 63,697.97 and 14,392.28 is: 21,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,491.90 : 63,697.97 = 14,392.28 : x
  2. Step 2: Convert to fraction form
    42,491.90/63,697.97 = 14,392.28/x
  3. Step 3: Cross multiply
    42,491.90x = 63,697.97 × 14,392.28
  4. Step 4: Simplify right side
    42,491.90x = 916,758,629.22
  5. Step 5: Solve for x
    x = 916,758,629.22/42,491.90
  6. Step 6: Final answer
    x = 21,574.91

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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.