Home / 55,325.13-83,037.25-28,690.20

Finding the Fourth Proportional to 55,325.13, 83,037.25 and 28,690.20

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Solution

The fourth proportional to 55,325.13, 83,037.25 and 28,690.20 is: 43,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.13 : 83,037.25 = 28,690.20 : x
  2. Step 2: Convert to fraction form
    55,325.13/83,037.25 = 28,690.20/x
  3. Step 3: Cross multiply
    55,325.13x = 83,037.25 × 28,690.20
  4. Step 4: Simplify right side
    55,325.13x = 2,382,355,345.81
  5. Step 5: Solve for x
    x = 2,382,355,345.81/55,325.13
  6. Step 6: Final answer
    x = 43,061.00

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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.