Home / 35,470.16-48,950.90-20,362.85

Finding the Fourth Proportional to 35,470.16, 48,950.90 and 20,362.85

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Solution

The fourth proportional to 35,470.16, 48,950.90 and 20,362.85 is: 28,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.16 : 48,950.90 = 20,362.85 : x
  2. Step 2: Convert to fraction form
    35,470.16/48,950.90 = 20,362.85/x
  3. Step 3: Cross multiply
    35,470.16x = 48,950.90 × 20,362.85
  4. Step 4: Simplify right side
    35,470.16x = 996,779,834.07
  5. Step 5: Solve for x
    x = 996,779,834.07/35,470.16
  6. Step 6: Final answer
    x = 28,101.93

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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.