Home / 45,638.95-62,979.49-25,491.82

Finding the Fourth Proportional to 45,638.95, 62,979.49 and 25,491.82

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Solution

The fourth proportional to 45,638.95, 62,979.49 and 25,491.82 is: 35,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.95 : 62,979.49 = 25,491.82 : x
  2. Step 2: Convert to fraction form
    45,638.95/62,979.49 = 25,491.82/x
  3. Step 3: Cross multiply
    45,638.95x = 62,979.49 × 25,491.82
  4. Step 4: Simplify right side
    45,638.95x = 1,605,461,822.77
  5. Step 5: Solve for x
    x = 1,605,461,822.77/45,638.95
  6. Step 6: Final answer
    x = 35,177.45

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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.