Home / 42,581.09-63,881.53-14,501.39

Finding the Fourth Proportional to 42,581.09, 63,881.53 and 14,501.39

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Solution

The fourth proportional to 42,581.09, 63,881.53 and 14,501.39 is: 21,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.09 : 63,881.53 = 14,501.39 : x
  2. Step 2: Convert to fraction form
    42,581.09/63,881.53 = 14,501.39/x
  3. Step 3: Cross multiply
    42,581.09x = 63,881.53 × 14,501.39
  4. Step 4: Simplify right side
    42,581.09x = 926,370,665.76
  5. Step 5: Solve for x
    x = 926,370,665.76/42,581.09
  6. Step 6: Final answer
    x = 21,755.45

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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.