Home / 39,381,064.48-54,348,880.92-21,743,368.34

Finding the Fourth Proportional to 39,381,064.48, 54,348,880.92 and 21,743,368.34

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Solution

The fourth proportional to 39,381,064.48, 54,348,880.92 and 21,743,368.34 is: 30,007,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,381,064.48 : 54,348,880.92 = 21,743,368.34 : x
  2. Step 2: Convert to fraction form
    39,381,064.48/54,348,880.92 = 21,743,368.34/x
  3. Step 3: Cross multiply
    39,381,064.48x = 54,348,880.92 × 21,743,368.34
  4. Step 4: Simplify right side
    39,381,064.48x = 1,181,727,736,710,358
  5. Step 5: Solve for x
    x = 1,181,727,736,710,358/39,381,064.48
  6. Step 6: Final answer
    x = 30,007,511.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.