Home / 42,018.62-57,984.95-22,898.56

Finding the Fourth Proportional to 42,018.62, 57,984.95 and 22,898.56

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Solution

The fourth proportional to 42,018.62, 57,984.95 and 22,898.56 is: 31,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018.62 : 57,984.95 = 22,898.56 : x
  2. Step 2: Convert to fraction form
    42,018.62/57,984.95 = 22,898.56/x
  3. Step 3: Cross multiply
    42,018.62x = 57,984.95 × 22,898.56
  4. Step 4: Simplify right side
    42,018.62x = 1,327,771,597.22
  5. Step 5: Solve for x
    x = 1,327,771,597.22/42,018.62
  6. Step 6: Final answer
    x = 31,599.60

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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.