Home / 51,655.35-77,483.89-14,215.20

Finding the Fourth Proportional to 51,655.35, 77,483.89 and 14,215.20

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Solution

The fourth proportional to 51,655.35, 77,483.89 and 14,215.20 is: 21,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.35 : 77,483.89 = 14,215.20 : x
  2. Step 2: Convert to fraction form
    51,655.35/77,483.89 = 14,215.20/x
  3. Step 3: Cross multiply
    51,655.35x = 77,483.89 × 14,215.20
  4. Step 4: Simplify right side
    51,655.35x = 1,101,448,720.33
  5. Step 5: Solve for x
    x = 1,101,448,720.33/51,655.35
  6. Step 6: Final answer
    x = 21,323.03

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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.