Home / 53,036.76-79,555.32-18,001.20

Finding the Fourth Proportional to 53,036.76, 79,555.32 and 18,001.20

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Solution

The fourth proportional to 53,036.76, 79,555.32 and 18,001.20 is: 27,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,036.76 : 79,555.32 = 18,001.20 : x
  2. Step 2: Convert to fraction form
    53,036.76/79,555.32 = 18,001.20/x
  3. Step 3: Cross multiply
    53,036.76x = 79,555.32 × 18,001.20
  4. Step 4: Simplify right side
    53,036.76x = 1,432,091,226.38
  5. Step 5: Solve for x
    x = 1,432,091,226.38/53,036.76
  6. Step 6: Final answer
    x = 27,001.86

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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.