Home / 51,259.74-76,890.15-21,673.68

Finding the Fourth Proportional to 51,259.74, 76,890.15 and 21,673.68

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Solution

The fourth proportional to 51,259.74, 76,890.15 and 21,673.68 is: 32,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.74 : 76,890.15 = 21,673.68 : x
  2. Step 2: Convert to fraction form
    51,259.74/76,890.15 = 21,673.68/x
  3. Step 3: Cross multiply
    51,259.74x = 76,890.15 × 21,673.68
  4. Step 4: Simplify right side
    51,259.74x = 1,666,492,506.25
  5. Step 5: Solve for x
    x = 1,666,492,506.25/51,259.74
  6. Step 6: Final answer
    x = 32,510.75

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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.