Home / 30,747.90-42,416.55-23,671.74

Finding the Fourth Proportional to 30,747.90, 42,416.55 and 23,671.74

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Solution

The fourth proportional to 30,747.90, 42,416.55 and 23,671.74 is: 32,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.90 : 42,416.55 = 23,671.74 : x
  2. Step 2: Convert to fraction form
    30,747.90/42,416.55 = 23,671.74/x
  3. Step 3: Cross multiply
    30,747.90x = 42,416.55 × 23,671.74
  4. Step 4: Simplify right side
    30,747.90x = 1,004,073,543.30
  5. Step 5: Solve for x
    x = 1,004,073,543.30/30,747.90
  6. Step 6: Final answer
    x = 32,655.03

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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.