Home / 40,981.28-61,459.76-17,602.26

Finding the Fourth Proportional to 40,981.28, 61,459.76 and 17,602.26

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Solution

The fourth proportional to 40,981.28, 61,459.76 and 17,602.26 is: 26,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981.28 : 61,459.76 = 17,602.26 : x
  2. Step 2: Convert to fraction form
    40,981.28/61,459.76 = 17,602.26/x
  3. Step 3: Cross multiply
    40,981.28x = 61,459.76 × 17,602.26
  4. Step 4: Simplify right side
    40,981.28x = 1,081,830,675.06
  5. Step 5: Solve for x
    x = 1,081,830,675.06/40,981.28
  6. Step 6: Final answer
    x = 26,398.17

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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.