Home / 51,341.42-70,847.06-28,678.62

Finding the Fourth Proportional to 51,341.42, 70,847.06 and 28,678.62

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Solution

The fourth proportional to 51,341.42, 70,847.06 and 28,678.62 is: 39,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.42 : 70,847.06 = 28,678.62 : x
  2. Step 2: Convert to fraction form
    51,341.42/70,847.06 = 28,678.62/x
  3. Step 3: Cross multiply
    51,341.42x = 70,847.06 × 28,678.62
  4. Step 4: Simplify right side
    51,341.42x = 2,031,795,911.86
  5. Step 5: Solve for x
    x = 2,031,795,911.86/51,341.42
  6. Step 6: Final answer
    x = 39,574.21

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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.