Home / 35,470.15-53,172.55-12,080.32

Finding the Fourth Proportional to 35,470.15, 53,172.55 and 12,080.32

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Solution

The fourth proportional to 35,470.15, 53,172.55 and 12,080.32 is: 18,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.15 : 53,172.55 = 12,080.32 : x
  2. Step 2: Convert to fraction form
    35,470.15/53,172.55 = 12,080.32/x
  3. Step 3: Cross multiply
    35,470.15x = 53,172.55 × 12,080.32
  4. Step 4: Simplify right side
    35,470.15x = 642,341,419.22
  5. Step 5: Solve for x
    x = 642,341,419.22/35,470.15
  6. Step 6: Final answer
    x = 18,109.35

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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.