Home / 51,045.35-70,442.64-28,384.09

Finding the Fourth Proportional to 51,045.35, 70,442.64 and 28,384.09

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Solution

The fourth proportional to 51,045.35, 70,442.64 and 28,384.09 is: 39,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,045.35 : 70,442.64 = 28,384.09 : x
  2. Step 2: Convert to fraction form
    51,045.35/70,442.64 = 28,384.09/x
  3. Step 3: Cross multiply
    51,045.35x = 70,442.64 × 28,384.09
  4. Step 4: Simplify right side
    51,045.35x = 1,999,450,057.49
  5. Step 5: Solve for x
    x = 1,999,450,057.49/51,045.35
  6. Step 6: Final answer
    x = 39,170.08

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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.