Home / 38,459.10-57,688.65-36,126.30

Finding the Fourth Proportional to 38,459.10, 57,688.65 and 36,126.30

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Solution

The fourth proportional to 38,459.10, 57,688.65 and 36,126.30 is: 54,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.10 : 57,688.65 = 36,126.30 : x
  2. Step 2: Convert to fraction form
    38,459.10/57,688.65 = 36,126.30/x
  3. Step 3: Cross multiply
    38,459.10x = 57,688.65 × 36,126.30
  4. Step 4: Simplify right side
    38,459.10x = 2,084,077,476.50
  5. Step 5: Solve for x
    x = 2,084,077,476.50/38,459.10
  6. Step 6: Final answer
    x = 54,189.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.