Home / 52,505.39-72,457.45-28,631.45

Finding the Fourth Proportional to 52,505.39, 72,457.45 and 28,631.45

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Solution

The fourth proportional to 52,505.39, 72,457.45 and 28,631.45 is: 39,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,505.39 : 72,457.45 = 28,631.45 : x
  2. Step 2: Convert to fraction form
    52,505.39/72,457.45 = 28,631.45/x
  3. Step 3: Cross multiply
    52,505.39x = 72,457.45 × 28,631.45
  4. Step 4: Simplify right side
    52,505.39x = 2,074,561,422.94
  5. Step 5: Solve for x
    x = 2,074,561,422.94/52,505.39
  6. Step 6: Final answer
    x = 39,511.40

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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.