Home / 42,070.98-58,021.38-36,403.92

Finding the Fourth Proportional to 42,070.98, 58,021.38 and 36,403.92

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Solution

The fourth proportional to 42,070.98, 58,021.38 and 36,403.92 is: 50,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.98 : 58,021.38 = 36,403.92 : x
  2. Step 2: Convert to fraction form
    42,070.98/58,021.38 = 36,403.92/x
  3. Step 3: Cross multiply
    42,070.98x = 58,021.38 × 36,403.92
  4. Step 4: Simplify right side
    42,070.98x = 2,112,205,675.81
  5. Step 5: Solve for x
    x = 2,112,205,675.81/42,070.98
  6. Step 6: Final answer
    x = 50,205.76

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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.