Home / 51,488.14-71,037.12-28,823.80

Finding the Fourth Proportional to 51,488.14, 71,037.12 and 28,823.80

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Solution

The fourth proportional to 51,488.14, 71,037.12 and 28,823.80 is: 39,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.14 : 71,037.12 = 28,823.80 : x
  2. Step 2: Convert to fraction form
    51,488.14/71,037.12 = 28,823.80/x
  3. Step 3: Cross multiply
    51,488.14x = 71,037.12 × 28,823.80
  4. Step 4: Simplify right side
    51,488.14x = 2,047,559,739.46
  5. Step 5: Solve for x
    x = 2,047,559,739.46/51,488.14
  6. Step 6: Final answer
    x = 39,767.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.