Home / 51,615.98-77,292.76-47,285.72

Finding the Fourth Proportional to 51,615.98, 77,292.76 and 47,285.72

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Solution

The fourth proportional to 51,615.98, 77,292.76 and 47,285.72 is: 70,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.98 : 77,292.76 = 47,285.72 : x
  2. Step 2: Convert to fraction form
    51,615.98/77,292.76 = 47,285.72/x
  3. Step 3: Cross multiply
    51,615.98x = 77,292.76 × 47,285.72
  4. Step 4: Simplify right side
    51,615.98x = 3,654,843,807.39
  5. Step 5: Solve for x
    x = 3,654,843,807.39/51,615.98
  6. Step 6: Final answer
    x = 70,808.38

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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.