Home / 35,977.68-53,973.72-13,790.16

Finding the Fourth Proportional to 35,977.68, 53,973.72 and 13,790.16

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Solution

The fourth proportional to 35,977.68, 53,973.72 and 13,790.16 is: 20,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.68 : 53,973.72 = 13,790.16 : x
  2. Step 2: Convert to fraction form
    35,977.68/53,973.72 = 13,790.16/x
  3. Step 3: Cross multiply
    35,977.68x = 53,973.72 × 13,790.16
  4. Step 4: Simplify right side
    35,977.68x = 744,306,234.60
  5. Step 5: Solve for x
    x = 744,306,234.60/35,977.68
  6. Step 6: Final answer
    x = 20,688.00

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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.