Home / 49,437.12-74,155.68-13,901.60

Finding the Fourth Proportional to 49,437.12, 74,155.68 and 13,901.60

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Solution

The fourth proportional to 49,437.12, 74,155.68 and 13,901.60 is: 20,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,437.12 : 74,155.68 = 13,901.60 : x
  2. Step 2: Convert to fraction form
    49,437.12/74,155.68 = 13,901.60/x
  3. Step 3: Cross multiply
    49,437.12x = 74,155.68 × 13,901.60
  4. Step 4: Simplify right side
    49,437.12x = 1,030,882,601.09
  5. Step 5: Solve for x
    x = 1,030,882,601.09/49,437.12
  6. Step 6: Final answer
    x = 20,852.40

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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.