Home / 55,653.40-83,480.10-38,740.60

Finding the Fourth Proportional to 55,653.40, 83,480.10 and 38,740.60

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Solution

The fourth proportional to 55,653.40, 83,480.10 and 38,740.60 is: 58,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.40 : 83,480.10 = 38,740.60 : x
  2. Step 2: Convert to fraction form
    55,653.40/83,480.10 = 38,740.60/x
  3. Step 3: Cross multiply
    55,653.40x = 83,480.10 × 38,740.60
  4. Step 4: Simplify right side
    55,653.40x = 3,234,069,162.06
  5. Step 5: Solve for x
    x = 3,234,069,162.06/55,653.40
  6. Step 6: Final answer
    x = 58,110.90

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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.