Home / 55,337.60-83,006.40-38,662.40

Finding the Fourth Proportional to 55,337.60, 83,006.40 and 38,662.40

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Solution

The fourth proportional to 55,337.60, 83,006.40 and 38,662.40 is: 57,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337.60 : 83,006.40 = 38,662.40 : x
  2. Step 2: Convert to fraction form
    55,337.60/83,006.40 = 38,662.40/x
  3. Step 3: Cross multiply
    55,337.60x = 83,006.40 × 38,662.40
  4. Step 4: Simplify right side
    55,337.60x = 3,209,226,639.36
  5. Step 5: Solve for x
    x = 3,209,226,639.36/55,337.60
  6. Step 6: Final answer
    x = 57,993.60

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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.