Home / 42,994.12-59,352.04-28,677.90

Finding the Fourth Proportional to 42,994.12, 59,352.04 and 28,677.90

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Solution

The fourth proportional to 42,994.12, 59,352.04 and 28,677.90 is: 39,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,994.12 : 59,352.04 = 28,677.90 : x
  2. Step 2: Convert to fraction form
    42,994.12/59,352.04 = 28,677.90/x
  3. Step 3: Cross multiply
    42,994.12x = 59,352.04 × 28,677.90
  4. Step 4: Simplify right side
    42,994.12x = 1,702,091,867.92
  5. Step 5: Solve for x
    x = 1,702,091,867.92/42,994.12
  6. Step 6: Final answer
    x = 39,588.95

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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.