Home / 62,711.51-94,018.05-42,930.09

Finding the Fourth Proportional to 62,711.51, 94,018.05 and 42,930.09

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Solution

The fourth proportional to 62,711.51, 94,018.05 and 42,930.09 is: 64,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,711.51 : 94,018.05 = 42,930.09 : x
  2. Step 2: Convert to fraction form
    62,711.51/94,018.05 = 42,930.09/x
  3. Step 3: Cross multiply
    62,711.51x = 94,018.05 × 42,930.09
  4. Step 4: Simplify right side
    62,711.51x = 4,036,203,348.12
  5. Step 5: Solve for x
    x = 4,036,203,348.12/62,711.51
  6. Step 6: Final answer
    x = 64,361.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.