Home / 38,591.59-53,281.65-29,685.64

Finding the Fourth Proportional to 38,591.59, 53,281.65 and 29,685.64

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Solution

The fourth proportional to 38,591.59, 53,281.65 and 29,685.64 is: 40,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.59 : 53,281.65 = 29,685.64 : x
  2. Step 2: Convert to fraction form
    38,591.59/53,281.65 = 29,685.64/x
  3. Step 3: Cross multiply
    38,591.59x = 53,281.65 × 29,685.64
  4. Step 4: Simplify right side
    38,591.59x = 1,581,699,880.51
  5. Step 5: Solve for x
    x = 1,581,699,880.51/38,591.59
  6. Step 6: Final answer
    x = 40,985.61

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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.