Home / 55,639.98-83,465.15-18,200.30

Finding the Fourth Proportional to 55,639.98, 83,465.15 and 18,200.30

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Solution

The fourth proportional to 55,639.98, 83,465.15 and 18,200.30 is: 27,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639.98 : 83,465.15 = 18,200.30 : x
  2. Step 2: Convert to fraction form
    55,639.98/83,465.15 = 18,200.30/x
  3. Step 3: Cross multiply
    55,639.98x = 83,465.15 × 18,200.30
  4. Step 4: Simplify right side
    55,639.98x = 1,519,090,261.22
  5. Step 5: Solve for x
    x = 1,519,090,261.22/55,639.98
  6. Step 6: Final answer
    x = 27,302.14

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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.