Home / 51,897.60-77,846.40-31,161.60

Finding the Fourth Proportional to 51,897.60, 77,846.40 and 31,161.60

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Solution

The fourth proportional to 51,897.60, 77,846.40 and 31,161.60 is: 46,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.60 : 77,846.40 = 31,161.60 : x
  2. Step 2: Convert to fraction form
    51,897.60/77,846.40 = 31,161.60/x
  3. Step 3: Cross multiply
    51,897.60x = 77,846.40 × 31,161.60
  4. Step 4: Simplify right side
    51,897.60x = 2,425,818,378.24
  5. Step 5: Solve for x
    x = 2,425,818,378.24/51,897.60
  6. Step 6: Final answer
    x = 46,742.40

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Similar ratio
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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.