Home / 51,971.10-77,958.45-16,432.80

Finding the Fourth Proportional to 51,971.10, 77,958.45 and 16,432.80

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Solution

The fourth proportional to 51,971.10, 77,958.45 and 16,432.80 is: 24,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.10 : 77,958.45 = 16,432.80 : x
  2. Step 2: Convert to fraction form
    51,971.10/77,958.45 = 16,432.80/x
  3. Step 3: Cross multiply
    51,971.10x = 77,958.45 × 16,432.80
  4. Step 4: Simplify right side
    51,971.10x = 1,281,075,617.16
  5. Step 5: Solve for x
    x = 1,281,075,617.16/51,971.10
  6. Step 6: Final answer
    x = 24,649.77

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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.