Home / 34,756.86-47,963.70-18,840.90

Finding the Fourth Proportional to 34,756.86, 47,963.70 and 18,840.90

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Solution

The fourth proportional to 34,756.86, 47,963.70 and 18,840.90 is: 26,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.86 : 47,963.70 = 18,840.90 : x
  2. Step 2: Convert to fraction form
    34,756.86/47,963.70 = 18,840.90/x
  3. Step 3: Cross multiply
    34,756.86x = 47,963.70 × 18,840.90
  4. Step 4: Simplify right side
    34,756.86x = 903,679,275.33
  5. Step 5: Solve for x
    x = 903,679,275.33/34,756.86
  6. Step 6: Final answer
    x = 26,000.03

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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.