Home / 46,809.60-64,611.84-38,515.20

Finding the Fourth Proportional to 46,809.60, 64,611.84 and 38,515.20

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Solution

The fourth proportional to 46,809.60, 64,611.84 and 38,515.20 is: 53,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,809.60 : 64,611.84 = 38,515.20 : x
  2. Step 2: Convert to fraction form
    46,809.60/64,611.84 = 38,515.20/x
  3. Step 3: Cross multiply
    46,809.60x = 64,611.84 × 38,515.20
  4. Step 4: Simplify right side
    46,809.60x = 2,488,537,939.97
  5. Step 5: Solve for x
    x = 2,488,537,939.97/46,809.60
  6. Step 6: Final answer
    x = 53,162.98

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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.