Home / 39,521,679-54,539,917.04-21,433,743

Finding the Fourth Proportional to 39,521,679, 54,539,917.04 and 21,433,743

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Solution

The fourth proportional to 39,521,679, 54,539,917.04 and 21,433,743 is: 29,578,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,679 : 54,539,917.04 = 21,433,743 : x
  2. Step 2: Convert to fraction form
    39,521,679/54,539,917.04 = 21,433,743/x
  3. Step 3: Cross multiply
    39,521,679x = 54,539,917.04 × 21,433,743
  4. Step 4: Simplify right side
    39,521,679x = 1,168,994,565,076,680.75
  5. Step 5: Solve for x
    x = 1,168,994,565,076,680.75/39,521,679
  6. Step 6: Final answer
    x = 29,578,565.35

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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.