Home / 51,204.34-70,645.80-40,415.14

Finding the Fourth Proportional to 51,204.34, 70,645.80 and 40,415.14

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Solution

The fourth proportional to 51,204.34, 70,645.80 and 40,415.14 is: 55,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.34 : 70,645.80 = 40,415.14 : x
  2. Step 2: Convert to fraction form
    51,204.34/70,645.80 = 40,415.14/x
  3. Step 3: Cross multiply
    51,204.34x = 70,645.80 × 40,415.14
  4. Step 4: Simplify right side
    51,204.34x = 2,855,159,897.41
  5. Step 5: Solve for x
    x = 2,855,159,897.41/51,204.34
  6. Step 6: Final answer
    x = 55,760.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.