Home / 42,070.14-63,116.58-13,994.70

Finding the Fourth Proportional to 42,070.14, 63,116.58 and 13,994.70

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Solution

The fourth proportional to 42,070.14, 63,116.58 and 13,994.70 is: 20,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.14 : 63,116.58 = 13,994.70 : x
  2. Step 2: Convert to fraction form
    42,070.14/63,116.58 = 13,994.70/x
  3. Step 3: Cross multiply
    42,070.14x = 63,116.58 × 13,994.70
  4. Step 4: Simplify right side
    42,070.14x = 883,297,602.13
  5. Step 5: Solve for x
    x = 883,297,602.13/42,070.14
  6. Step 6: Final answer
    x = 20,995.83

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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.