Home / 31,479.66-47,285.10-26,558.91

Finding the Fourth Proportional to 31,479.66, 47,285.10 and 26,558.91

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Solution

The fourth proportional to 31,479.66, 47,285.10 and 26,558.91 is: 39,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.66 : 47,285.10 = 26,558.91 : x
  2. Step 2: Convert to fraction form
    31,479.66/47,285.10 = 26,558.91/x
  3. Step 3: Cross multiply
    31,479.66x = 47,285.10 × 26,558.91
  4. Step 4: Simplify right side
    31,479.66x = 1,255,840,715.24
  5. Step 5: Solve for x
    x = 1,255,840,715.24/31,479.66
  6. Step 6: Final answer
    x = 39,893.72

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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.