Home / 45,247.42-67,503.74-42,797.98

Finding the Fourth Proportional to 45,247.42, 67,503.74 and 42,797.98

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Solution

The fourth proportional to 45,247.42, 67,503.74 and 42,797.98 is: 63,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,247.42 : 67,503.74 = 42,797.98 : x
  2. Step 2: Convert to fraction form
    45,247.42/67,503.74 = 42,797.98/x
  3. Step 3: Cross multiply
    45,247.42x = 67,503.74 × 42,797.98
  4. Step 4: Simplify right side
    45,247.42x = 2,889,023,714.45
  5. Step 5: Solve for x
    x = 2,889,023,714.45/45,247.42
  6. Step 6: Final answer
    x = 63,849.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.