Home / 38,878.11-53,602.74-25,428.06

Finding the Fourth Proportional to 38,878.11, 53,602.74 and 25,428.06

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Solution

The fourth proportional to 38,878.11, 53,602.74 and 25,428.06 is: 35,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.11 : 53,602.74 = 25,428.06 : x
  2. Step 2: Convert to fraction form
    38,878.11/53,602.74 = 25,428.06/x
  3. Step 3: Cross multiply
    38,878.11x = 53,602.74 × 25,428.06
  4. Step 4: Simplify right side
    38,878.11x = 1,363,013,420.87
  5. Step 5: Solve for x
    x = 1,363,013,420.87/38,878.11
  6. Step 6: Final answer
    x = 35,058.64

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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.