Home / 51,995.56-78,001.50-22,421.80

Finding the Fourth Proportional to 51,995.56, 78,001.50 and 22,421.80

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Solution

The fourth proportional to 51,995.56, 78,001.50 and 22,421.80 is: 33,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.56 : 78,001.50 = 22,421.80 : x
  2. Step 2: Convert to fraction form
    51,995.56/78,001.50 = 22,421.80/x
  3. Step 3: Cross multiply
    51,995.56x = 78,001.50 × 22,421.80
  4. Step 4: Simplify right side
    51,995.56x = 1,748,934,032.70
  5. Step 5: Solve for x
    x = 1,748,934,032.70/51,995.56
  6. Step 6: Final answer
    x = 33,636.22

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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.