Home / 53,886.74-80,830.27-18,826.40

Finding the Fourth Proportional to 53,886.74, 80,830.27 and 18,826.40

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Solution

The fourth proportional to 53,886.74, 80,830.27 and 18,826.40 is: 28,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.74 : 80,830.27 = 18,826.40 : x
  2. Step 2: Convert to fraction form
    53,886.74/80,830.27 = 18,826.40/x
  3. Step 3: Cross multiply
    53,886.74x = 80,830.27 × 18,826.40
  4. Step 4: Simplify right side
    53,886.74x = 1,521,742,995.13
  5. Step 5: Solve for x
    x = 1,521,742,995.13/53,886.74
  6. Step 6: Final answer
    x = 28,239.66

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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.