Home / 51,027.84-76,547.52-21,440.16

Finding the Fourth Proportional to 51,027.84, 76,547.52 and 21,440.16

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Solution

The fourth proportional to 51,027.84, 76,547.52 and 21,440.16 is: 32,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.84 : 76,547.52 = 21,440.16 : x
  2. Step 2: Convert to fraction form
    51,027.84/76,547.52 = 21,440.16/x
  3. Step 3: Cross multiply
    51,027.84x = 76,547.52 × 21,440.16
  4. Step 4: Simplify right side
    51,027.84x = 1,641,191,076.40
  5. Step 5: Solve for x
    x = 1,641,191,076.40/51,027.84
  6. Step 6: Final answer
    x = 32,162.66

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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.