Home / 39,377.81-59,062.32-14,071.90

Finding the Fourth Proportional to 39,377.81, 59,062.32 and 14,071.90

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Solution

The fourth proportional to 39,377.81, 59,062.32 and 14,071.90 is: 21,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.81 : 59,062.32 = 14,071.90 : x
  2. Step 2: Convert to fraction form
    39,377.81/59,062.32 = 14,071.90/x
  3. Step 3: Cross multiply
    39,377.81x = 59,062.32 × 14,071.90
  4. Step 4: Simplify right side
    39,377.81x = 831,119,060.81
  5. Step 5: Solve for x
    x = 831,119,060.81/39,377.81
  6. Step 6: Final answer
    x = 21,106.28

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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.