Home / 42,308.63-63,466.13-14,228.76

Finding the Fourth Proportional to 42,308.63, 63,466.13 and 14,228.76

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Solution

The fourth proportional to 42,308.63, 63,466.13 and 14,228.76 is: 21,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,308.63 : 63,466.13 = 14,228.76 : x
  2. Step 2: Convert to fraction form
    42,308.63/63,466.13 = 14,228.76/x
  3. Step 3: Cross multiply
    42,308.63x = 63,466.13 × 14,228.76
  4. Step 4: Simplify right side
    42,308.63x = 903,044,605.47
  5. Step 5: Solve for x
    x = 903,044,605.47/42,308.63
  6. Step 6: Final answer
    x = 21,344.22

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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.