Home / 42,070.12-63,096.27-15,776.80

Finding the Fourth Proportional to 42,070.12, 63,096.27 and 15,776.80

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Solution

The fourth proportional to 42,070.12, 63,096.27 and 15,776.80 is: 23,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.12 : 63,096.27 = 15,776.80 : x
  2. Step 2: Convert to fraction form
    42,070.12/63,096.27 = 15,776.80/x
  3. Step 3: Cross multiply
    42,070.12x = 63,096.27 × 15,776.80
  4. Step 4: Simplify right side
    42,070.12x = 995,457,232.54
  5. Step 5: Solve for x
    x = 995,457,232.54/42,070.12
  6. Step 6: Final answer
    x = 23,661.86

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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.