Home / 39,316.06-54,254.43-21,410.00

Finding the Fourth Proportional to 39,316.06, 54,254.43 and 21,410.00

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Solution

The fourth proportional to 39,316.06, 54,254.43 and 21,410.00 is: 29,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.06 : 54,254.43 = 21,410.00 : x
  2. Step 2: Convert to fraction form
    39,316.06/54,254.43 = 21,410.00/x
  3. Step 3: Cross multiply
    39,316.06x = 54,254.43 × 21,410.00
  4. Step 4: Simplify right side
    39,316.06x = 1,161,587,075.03
  5. Step 5: Solve for x
    x = 1,161,587,075.03/39,316.06
  6. Step 6: Final answer
    x = 29,544.85

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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.