Home / 51,995.06-78,000.75-22,421.30

Finding the Fourth Proportional to 51,995.06, 78,000.75 and 22,421.30

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Solution

The fourth proportional to 51,995.06, 78,000.75 and 22,421.30 is: 33,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.06 : 78,000.75 = 22,421.30 : x
  2. Step 2: Convert to fraction form
    51,995.06/78,000.75 = 22,421.30/x
  3. Step 3: Cross multiply
    51,995.06x = 78,000.75 × 22,421.30
  4. Step 4: Simplify right side
    51,995.06x = 1,748,878,215.98
  5. Step 5: Solve for x
    x = 1,748,878,215.98/51,995.06
  6. Step 6: Final answer
    x = 33,635.47

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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.