Home / 42,475.64-63,673.64-14,376.03

Finding the Fourth Proportional to 42,475.64, 63,673.64 and 14,376.03

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Solution

The fourth proportional to 42,475.64, 63,673.64 and 14,376.03 is: 21,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475.64 : 63,673.64 = 14,376.03 : x
  2. Step 2: Convert to fraction form
    42,475.64/63,673.64 = 14,376.03/x
  3. Step 3: Cross multiply
    42,475.64x = 63,673.64 × 14,376.03
  4. Step 4: Simplify right side
    42,475.64x = 915,374,341.13
  5. Step 5: Solve for x
    x = 915,374,341.13/42,475.64
  6. Step 6: Final answer
    x = 21,550.57

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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.