Home / 39,376.81-59,060.82-14,070.90

Finding the Fourth Proportional to 39,376.81, 59,060.82 and 14,070.90

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Solution

The fourth proportional to 39,376.81, 59,060.82 and 14,070.90 is: 21,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.81 : 59,060.82 = 14,070.90 : x
  2. Step 2: Convert to fraction form
    39,376.81/59,060.82 = 14,070.90/x
  3. Step 3: Cross multiply
    39,376.81x = 59,060.82 × 14,070.90
  4. Step 4: Simplify right side
    39,376.81x = 831,038,892.14
  5. Step 5: Solve for x
    x = 831,038,892.14/39,376.81
  6. Step 6: Final answer
    x = 21,104.78

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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.