Home / 53,628.84-74,018.57-30,971.52

Finding the Fourth Proportional to 53,628.84, 74,018.57 and 30,971.52

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Solution

The fourth proportional to 53,628.84, 74,018.57 and 30,971.52 is: 42,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,628.84 : 74,018.57 = 30,971.52 : x
  2. Step 2: Convert to fraction form
    53,628.84/74,018.57 = 30,971.52/x
  3. Step 3: Cross multiply
    53,628.84x = 74,018.57 × 30,971.52
  4. Step 4: Simplify right side
    53,628.84x = 2,292,467,466.27
  5. Step 5: Solve for x
    x = 2,292,467,466.27/53,628.84
  6. Step 6: Final answer
    x = 42,746.92

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1.5x scale

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.