Home / 34,545.51-47,671.07-20,395.62

Finding the Fourth Proportional to 34,545.51, 47,671.07 and 20,395.62

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Solution

The fourth proportional to 34,545.51, 47,671.07 and 20,395.62 is: 28,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,545.51 : 47,671.07 = 20,395.62 : x
  2. Step 2: Convert to fraction form
    34,545.51/47,671.07 = 20,395.62/x
  3. Step 3: Cross multiply
    34,545.51x = 47,671.07 × 20,395.62
  4. Step 4: Simplify right side
    34,545.51x = 972,280,926.74
  5. Step 5: Solve for x
    x = 972,280,926.74/34,545.51
  6. Step 6: Final answer
    x = 28,144.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.