Home / 51,386.60-77,079.90-16,329.80

Finding the Fourth Proportional to 51,386.60, 77,079.90 and 16,329.80

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Solution

The fourth proportional to 51,386.60, 77,079.90 and 16,329.80 is: 24,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.60 : 77,079.90 = 16,329.80 : x
  2. Step 2: Convert to fraction form
    51,386.60/77,079.90 = 16,329.80/x
  3. Step 3: Cross multiply
    51,386.60x = 77,079.90 × 16,329.80
  4. Step 4: Simplify right side
    51,386.60x = 1,258,699,351.02
  5. Step 5: Solve for x
    x = 1,258,699,351.02/51,386.60
  6. Step 6: Final answer
    x = 24,494.70

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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.