Home / 31,777.02-47,665.85-9,590.58

Finding the Fourth Proportional to 31,777.02, 47,665.85 and 9,590.58

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Solution

The fourth proportional to 31,777.02, 47,665.85 and 9,590.58 is: 14,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.02 : 47,665.85 = 9,590.58 : x
  2. Step 2: Convert to fraction form
    31,777.02/47,665.85 = 9,590.58/x
  3. Step 3: Cross multiply
    31,777.02x = 47,665.85 × 9,590.58
  4. Step 4: Simplify right side
    31,777.02x = 457,143,099.74
  5. Step 5: Solve for x
    x = 457,143,099.74/31,777.02
  6. Step 6: Final answer
    x = 14,385.97

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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.