Home / 52,686.32-72,733.58-40,722.64

Finding the Fourth Proportional to 52,686.32, 72,733.58 and 40,722.64

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Solution

The fourth proportional to 52,686.32, 72,733.58 and 40,722.64 is: 56,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,686.32 : 72,733.58 = 40,722.64 : x
  2. Step 2: Convert to fraction form
    52,686.32/72,733.58 = 40,722.64/x
  3. Step 3: Cross multiply
    52,686.32x = 72,733.58 × 40,722.64
  4. Step 4: Simplify right side
    52,686.32x = 2,961,903,394.25
  5. Step 5: Solve for x
    x = 2,961,903,394.25/52,686.32
  6. Step 6: Final answer
    x = 56,217.69

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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.