Home / 55,550.64-83,326.12-13,430.64

Finding the Fourth Proportional to 55,550.64, 83,326.12 and 13,430.64

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Solution

The fourth proportional to 55,550.64, 83,326.12 and 13,430.64 is: 20,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.64 : 83,326.12 = 13,430.64 : x
  2. Step 2: Convert to fraction form
    55,550.64/83,326.12 = 13,430.64/x
  3. Step 3: Cross multiply
    55,550.64x = 83,326.12 × 13,430.64
  4. Step 4: Simplify right side
    55,550.64x = 1,119,123,120.32
  5. Step 5: Solve for x
    x = 1,119,123,120.32/55,550.64
  6. Step 6: Final answer
    x = 20,146.00

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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.