Home / 53,628.46-74,018.05-30,971.14

Finding the Fourth Proportional to 53,628.46, 74,018.05 and 30,971.14

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Solution

The fourth proportional to 53,628.46, 74,018.05 and 30,971.14 is: 42,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,628.46 : 74,018.05 = 30,971.14 : x
  2. Step 2: Convert to fraction form
    53,628.46/74,018.05 = 30,971.14/x
  3. Step 3: Cross multiply
    53,628.46x = 74,018.05 × 30,971.14
  4. Step 4: Simplify right side
    53,628.46x = 2,292,423,404.17
  5. Step 5: Solve for x
    x = 2,292,423,404.17/53,628.46
  6. Step 6: Final answer
    x = 42,746.40

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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.