Home / 55,641.16-83,465.12-18,205.18

Finding the Fourth Proportional to 55,641.16, 83,465.12 and 18,205.18

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Solution

The fourth proportional to 55,641.16, 83,465.12 and 18,205.18 is: 27,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.16 : 83,465.12 = 18,205.18 : x
  2. Step 2: Convert to fraction form
    55,641.16/83,465.12 = 18,205.18/x
  3. Step 3: Cross multiply
    55,641.16x = 83,465.12 × 18,205.18
  4. Step 4: Simplify right side
    55,641.16x = 1,519,497,533.32
  5. Step 5: Solve for x
    x = 1,519,497,533.32/55,641.16
  6. Step 6: Final answer
    x = 27,308.88

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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.