Home / 42,355.23-63,538.70-14,283.31

Finding the Fourth Proportional to 42,355.23, 63,538.70 and 14,283.31

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Solution

The fourth proportional to 42,355.23, 63,538.70 and 14,283.31 is: 21,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,355.23 : 63,538.70 = 14,283.31 : x
  2. Step 2: Convert to fraction form
    42,355.23/63,538.70 = 14,283.31/x
  3. Step 3: Cross multiply
    42,355.23x = 63,538.70 × 14,283.31
  4. Step 4: Simplify right side
    42,355.23x = 907,542,631.40
  5. Step 5: Solve for x
    x = 907,542,631.40/42,355.23
  6. Step 6: Final answer
    x = 21,426.93

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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.