Home / 42,677.16-63,963.90-30,200.84

Finding the Fourth Proportional to 42,677.16, 63,963.90 and 30,200.84

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Solution

The fourth proportional to 42,677.16, 63,963.90 and 30,200.84 is: 45,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,677.16 : 63,963.90 = 30,200.84 : x
  2. Step 2: Convert to fraction form
    42,677.16/63,963.90 = 30,200.84/x
  3. Step 3: Cross multiply
    42,677.16x = 63,963.90 × 30,200.84
  4. Step 4: Simplify right side
    42,677.16x = 1,931,763,189.86
  5. Step 5: Solve for x
    x = 1,931,763,189.86/42,677.16
  6. Step 6: Final answer
    x = 45,264.57

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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.