Home / 41,298.36-61,941.78-13,587

Finding the Fourth Proportional to 41,298.36, 61,941.78 and 13,587

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Solution

The fourth proportional to 41,298.36, 61,941.78 and 13,587 is: 20,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,298.36 : 61,941.78 = 13,587 : x
  2. Step 2: Convert to fraction form
    41,298.36/61,941.78 = 13,587/x
  3. Step 3: Cross multiply
    41,298.36x = 61,941.78 × 13,587
  4. Step 4: Simplify right side
    41,298.36x = 841,602,964.86
  5. Step 5: Solve for x
    x = 841,602,964.86/41,298.36
  6. Step 6: Final answer
    x = 20,378.60

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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.