Home / 49,518.19-74,281.67-13,979.75

Finding the Fourth Proportional to 49,518.19, 74,281.67 and 13,979.75

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Solution

The fourth proportional to 49,518.19, 74,281.67 and 13,979.75 is: 20,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.19 : 74,281.67 = 13,979.75 : x
  2. Step 2: Convert to fraction form
    49,518.19/74,281.67 = 13,979.75/x
  3. Step 3: Cross multiply
    49,518.19x = 74,281.67 × 13,979.75
  4. Step 4: Simplify right side
    49,518.19x = 1,038,439,106.28
  5. Step 5: Solve for x
    x = 1,038,439,106.28/49,518.19
  6. Step 6: Final answer
    x = 20,970.86

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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.