Home / 51,000.12-76,470.75-19,798.92

Finding the Fourth Proportional to 51,000.12, 76,470.75 and 19,798.92

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Solution

The fourth proportional to 51,000.12, 76,470.75 and 19,798.92 is: 29,686.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.12 : 76,470.75 = 19,798.92 : x
  2. Step 2: Convert to fraction form
    51,000.12/76,470.75 = 19,798.92/x
  3. Step 3: Cross multiply
    51,000.12x = 76,470.75 × 19,798.92
  4. Step 4: Simplify right side
    51,000.12x = 1,514,038,261.59
  5. Step 5: Solve for x
    x = 1,514,038,261.59/51,000.12
  6. Step 6: Final answer
    x = 29,686.95

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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.