Home / 30,484.41-42,070.12-17,054.86

Finding the Fourth Proportional to 30,484.41, 42,070.12 and 17,054.86

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Solution

The fourth proportional to 30,484.41, 42,070.12 and 17,054.86 is: 23,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.41 : 42,070.12 = 17,054.86 : x
  2. Step 2: Convert to fraction form
    30,484.41/42,070.12 = 17,054.86/x
  3. Step 3: Cross multiply
    30,484.41x = 42,070.12 × 17,054.86
  4. Step 4: Simplify right side
    30,484.41x = 717,500,006.78
  5. Step 5: Solve for x
    x = 717,500,006.78/30,484.41
  6. Step 6: Final answer
    x = 23,536.62

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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.