Home / 38,721.88-58,075.86-10,259.02

Finding the Fourth Proportional to 38,721.88, 58,075.86 and 10,259.02

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Solution

The fourth proportional to 38,721.88, 58,075.86 and 10,259.02 is: 15,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.88 : 58,075.86 = 10,259.02 : x
  2. Step 2: Convert to fraction form
    38,721.88/58,075.86 = 10,259.02/x
  3. Step 3: Cross multiply
    38,721.88x = 58,075.86 × 10,259.02
  4. Step 4: Simplify right side
    38,721.88x = 595,801,118.88
  5. Step 5: Solve for x
    x = 595,801,118.88/38,721.88
  6. Step 6: Final answer
    x = 15,386.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.