Home / 30,494.15-42,086.34-17,570.91

Finding the Fourth Proportional to 30,494.15, 42,086.34 and 17,570.91

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Solution

The fourth proportional to 30,494.15, 42,086.34 and 17,570.91 is: 24,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.15 : 42,086.34 = 17,570.91 : x
  2. Step 2: Convert to fraction form
    30,494.15/42,086.34 = 17,570.91/x
  3. Step 3: Cross multiply
    30,494.15x = 42,086.34 × 17,570.91
  4. Step 4: Simplify right side
    30,494.15x = 739,495,292.37
  5. Step 5: Solve for x
    x = 739,495,292.37/30,494.15
  6. Step 6: Final answer
    x = 24,250.40

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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.