Home / 53,210.39-79,815.59-18,150.35

Finding the Fourth Proportional to 53,210.39, 79,815.59 and 18,150.35

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Solution

The fourth proportional to 53,210.39, 79,815.59 and 18,150.35 is: 27,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.39 : 79,815.59 = 18,150.35 : x
  2. Step 2: Convert to fraction form
    53,210.39/79,815.59 = 18,150.35/x
  3. Step 3: Cross multiply
    53,210.39x = 79,815.59 × 18,150.35
  4. Step 4: Simplify right side
    53,210.39x = 1,448,680,703.44
  5. Step 5: Solve for x
    x = 1,448,680,703.44/53,210.39
  6. Step 6: Final answer
    x = 27,225.52

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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.