Home / 42,943.32-59,191.10-28,791.64

Finding the Fourth Proportional to 42,943.32, 59,191.10 and 28,791.64

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Solution

The fourth proportional to 42,943.32, 59,191.10 and 28,791.64 is: 39,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943.32 : 59,191.10 = 28,791.64 : x
  2. Step 2: Convert to fraction form
    42,943.32/59,191.10 = 28,791.64/x
  3. Step 3: Cross multiply
    42,943.32x = 59,191.10 × 28,791.64
  4. Step 4: Simplify right side
    42,943.32x = 1,704,208,842.40
  5. Step 5: Solve for x
    x = 1,704,208,842.40/42,943.32
  6. Step 6: Final answer
    x = 39,685.07

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1.5x scale

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.