Home / 42,006.64-63,048.96-21,244.72

Finding the Fourth Proportional to 42,006.64, 63,048.96 and 21,244.72

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Solution

The fourth proportional to 42,006.64, 63,048.96 and 21,244.72 is: 31,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.64 : 63,048.96 = 21,244.72 : x
  2. Step 2: Convert to fraction form
    42,006.64/63,048.96 = 21,244.72/x
  3. Step 3: Cross multiply
    42,006.64x = 63,048.96 × 21,244.72
  4. Step 4: Simplify right side
    42,006.64x = 1,339,457,501.49
  5. Step 5: Solve for x
    x = 1,339,457,501.49/42,006.64
  6. Step 6: Final answer
    x = 31,886.80

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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.