Home / 51,334.08-77,013.12-21,762.24

Finding the Fourth Proportional to 51,334.08, 77,013.12 and 21,762.24

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Solution

The fourth proportional to 51,334.08, 77,013.12 and 21,762.24 is: 32,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.08 : 77,013.12 = 21,762.24 : x
  2. Step 2: Convert to fraction form
    51,334.08/77,013.12 = 21,762.24/x
  3. Step 3: Cross multiply
    51,334.08x = 77,013.12 × 21,762.24
  4. Step 4: Simplify right side
    51,334.08x = 1,675,978,000.59
  5. Step 5: Solve for x
    x = 1,675,978,000.59/51,334.08
  6. Step 6: Final answer
    x = 32,648.45

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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.