Home / 42,070.20-63,062.10-23,321.40

Finding the Fourth Proportional to 42,070.20, 63,062.10 and 23,321.40

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Solution

The fourth proportional to 42,070.20, 63,062.10 and 23,321.40 is: 34,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.20 : 63,062.10 = 23,321.40 : x
  2. Step 2: Convert to fraction form
    42,070.20/63,062.10 = 23,321.40/x
  3. Step 3: Cross multiply
    42,070.20x = 63,062.10 × 23,321.40
  4. Step 4: Simplify right side
    42,070.20x = 1,470,696,458.94
  5. Step 5: Solve for x
    x = 1,470,696,458.94/42,070.20
  6. Step 6: Final answer
    x = 34,958.15

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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.