Home / 40,887.95-61,285.75-20,841.12

Finding the Fourth Proportional to 40,887.95, 61,285.75 and 20,841.12

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Solution

The fourth proportional to 40,887.95, 61,285.75 and 20,841.12 is: 31,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.95 : 61,285.75 = 20,841.12 : x
  2. Step 2: Convert to fraction form
    40,887.95/61,285.75 = 20,841.12/x
  3. Step 3: Cross multiply
    40,887.95x = 61,285.75 × 20,841.12
  4. Step 4: Simplify right side
    40,887.95x = 1,277,263,617.94
  5. Step 5: Solve for x
    x = 1,277,263,617.94/40,887.95
  6. Step 6: Final answer
    x = 31,238.15

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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.