Home / 42,071.45-63,090.77-15,761.84

Finding the Fourth Proportional to 42,071.45, 63,090.77 and 15,761.84

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Solution

The fourth proportional to 42,071.45, 63,090.77 and 15,761.84 is: 23,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,071.45 : 63,090.77 = 15,761.84 : x
  2. Step 2: Convert to fraction form
    42,071.45/63,090.77 = 15,761.84/x
  3. Step 3: Cross multiply
    42,071.45x = 63,090.77 × 15,761.84
  4. Step 4: Simplify right side
    42,071.45x = 994,426,227.95
  5. Step 5: Solve for x
    x = 994,426,227.95/42,071.45
  6. Step 6: Final answer
    x = 23,636.61

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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.