Home / 53,966.48-74,480.49-31,003.47

Finding the Fourth Proportional to 53,966.48, 74,480.49 and 31,003.47

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Solution

The fourth proportional to 53,966.48, 74,480.49 and 31,003.47 is: 42,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.48 : 74,480.49 = 31,003.47 : x
  2. Step 2: Convert to fraction form
    53,966.48/74,480.49 = 31,003.47/x
  3. Step 3: Cross multiply
    53,966.48x = 74,480.49 × 31,003.47
  4. Step 4: Simplify right side
    53,966.48x = 2,309,153,637.30
  5. Step 5: Solve for x
    x = 2,309,153,637.30/53,966.48
  6. Step 6: Final answer
    x = 42,788.67

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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.