Home / 35,450.48-53,159.40-12,070.64

Finding the Fourth Proportional to 35,450.48, 53,159.40 and 12,070.64

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Solution

The fourth proportional to 35,450.48, 53,159.40 and 12,070.64 is: 18,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.48 : 53,159.40 = 12,070.64 : x
  2. Step 2: Convert to fraction form
    35,450.48/53,159.40 = 12,070.64/x
  3. Step 3: Cross multiply
    35,450.48x = 53,159.40 × 12,070.64
  4. Step 4: Simplify right side
    35,450.48x = 641,667,980.02
  5. Step 5: Solve for x
    x = 641,667,980.02/35,450.48
  6. Step 6: Final answer
    x = 18,100.40

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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.