Home / 51,068.62-70,445.92-30,645.40

Finding the Fourth Proportional to 51,068.62, 70,445.92 and 30,645.40

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Solution

The fourth proportional to 51,068.62, 70,445.92 and 30,645.40 is: 42,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,068.62 : 70,445.92 = 30,645.40 : x
  2. Step 2: Convert to fraction form
    51,068.62/70,445.92 = 30,645.40/x
  3. Step 3: Cross multiply
    51,068.62x = 70,445.92 × 30,645.40
  4. Step 4: Simplify right side
    51,068.62x = 2,158,843,396.77
  5. Step 5: Solve for x
    x = 2,158,843,396.77/51,068.62
  6. Step 6: Final answer
    x = 42,273.38

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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.