Home / 56,099.57-77,417.40-30,949.07

Finding the Fourth Proportional to 56,099.57, 77,417.40 and 30,949.07

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Solution

The fourth proportional to 56,099.57, 77,417.40 and 30,949.07 is: 42,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,099.57 : 77,417.40 = 30,949.07 : x
  2. Step 2: Convert to fraction form
    56,099.57/77,417.40 = 30,949.07/x
  3. Step 3: Cross multiply
    56,099.57x = 77,417.40 × 30,949.07
  4. Step 4: Simplify right side
    56,099.57x = 2,395,995,989.99
  5. Step 5: Solve for x
    x = 2,395,995,989.99/56,099.57
  6. Step 6: Final answer
    x = 42,709.71

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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.