Home / 38,988.24-53,742.60-34,264.40

Finding the Fourth Proportional to 38,988.24, 53,742.60 and 34,264.40

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Solution

The fourth proportional to 38,988.24, 53,742.60 and 34,264.40 is: 47,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.24 : 53,742.60 = 34,264.40 : x
  2. Step 2: Convert to fraction form
    38,988.24/53,742.60 = 34,264.40/x
  3. Step 3: Cross multiply
    38,988.24x = 53,742.60 × 34,264.40
  4. Step 4: Simplify right side
    38,988.24x = 1,841,457,943.44
  5. Step 5: Solve for x
    x = 1,841,457,943.44/38,988.24
  6. Step 6: Final answer
    x = 47,231.11

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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.