Home / 35,715.66-49,285.68-20,607.42

Finding the Fourth Proportional to 35,715.66, 49,285.68 and 20,607.42

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Solution

The fourth proportional to 35,715.66, 49,285.68 and 20,607.42 is: 28,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.66 : 49,285.68 = 20,607.42 : x
  2. Step 2: Convert to fraction form
    35,715.66/49,285.68 = 20,607.42/x
  3. Step 3: Cross multiply
    35,715.66x = 49,285.68 × 20,607.42
  4. Step 4: Simplify right side
    35,715.66x = 1,015,650,707.75
  5. Step 5: Solve for x
    x = 1,015,650,707.75/35,715.66
  6. Step 6: Final answer
    x = 28,437.13

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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.