Home / 51,206.46-70,664.75-28,545.20

Finding the Fourth Proportional to 51,206.46, 70,664.75 and 28,545.20

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Solution

The fourth proportional to 51,206.46, 70,664.75 and 28,545.20 is: 39,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.46 : 70,664.75 = 28,545.20 : x
  2. Step 2: Convert to fraction form
    51,206.46/70,664.75 = 28,545.20/x
  3. Step 3: Cross multiply
    51,206.46x = 70,664.75 × 28,545.20
  4. Step 4: Simplify right side
    51,206.46x = 2,017,139,421.70
  5. Step 5: Solve for x
    x = 2,017,139,421.70/51,206.46
  6. Step 6: Final answer
    x = 39,392.28

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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.