Home / 42,495.80-63,677.10-26,880.44

Finding the Fourth Proportional to 42,495.80, 63,677.10 and 26,880.44

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Solution

The fourth proportional to 42,495.80, 63,677.10 and 26,880.44 is: 40,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,495.80 : 63,677.10 = 26,880.44 : x
  2. Step 2: Convert to fraction form
    42,495.80/63,677.10 = 26,880.44/x
  3. Step 3: Cross multiply
    42,495.80x = 63,677.10 × 26,880.44
  4. Step 4: Simplify right side
    42,495.80x = 1,711,668,465.92
  5. Step 5: Solve for x
    x = 1,711,668,465.92/42,495.80
  6. Step 6: Final answer
    x = 40,278.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.