Home / 42,508,389.25-58,679,677.73-28,577,823.57

Finding the Fourth Proportional to 42,508,389.25, 58,679,677.73 and 28,577,823.57

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Solution

The fourth proportional to 42,508,389.25, 58,679,677.73 and 28,577,823.57 is: 39,449,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508,389.25 : 58,679,677.73 = 28,577,823.57 : x
  2. Step 2: Convert to fraction form
    42,508,389.25/58,679,677.73 = 28,577,823.57/x
  3. Step 3: Cross multiply
    42,508,389.25x = 58,679,677.73 × 28,577,823.57
  4. Step 4: Simplify right side
    42,508,389.25x = 1,676,937,477,383,842.75
  5. Step 5: Solve for x
    x = 1,676,937,477,383,842.75/42,508,389.25
  6. Step 6: Final answer
    x = 39,449,565.30

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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.