Home / 47,612.79-65,702.34-26,390.25

Finding the Fourth Proportional to 47,612.79, 65,702.34 and 26,390.25

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Solution

The fourth proportional to 47,612.79, 65,702.34 and 26,390.25 is: 36,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.79 : 65,702.34 = 26,390.25 : x
  2. Step 2: Convert to fraction form
    47,612.79/65,702.34 = 26,390.25/x
  3. Step 3: Cross multiply
    47,612.79x = 65,702.34 × 26,390.25
  4. Step 4: Simplify right side
    47,612.79x = 1,733,901,178.19
  5. Step 5: Solve for x
    x = 1,733,901,178.19/47,612.79
  6. Step 6: Final answer
    x = 36,416.71

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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.