Home / 51,698.50-77,545.12-14,258.92

Finding the Fourth Proportional to 51,698.50, 77,545.12 and 14,258.92

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Solution

The fourth proportional to 51,698.50, 77,545.12 and 14,258.92 is: 21,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,698.50 : 77,545.12 = 14,258.92 : x
  2. Step 2: Convert to fraction form
    51,698.50/77,545.12 = 14,258.92/x
  3. Step 3: Cross multiply
    51,698.50x = 77,545.12 × 14,258.92
  4. Step 4: Simplify right side
    51,698.50x = 1,105,709,662.47
  5. Step 5: Solve for x
    x = 1,105,709,662.47/51,698.50
  6. Step 6: Final answer
    x = 21,387.65

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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.