Home / 42,018.21-57,984.93-22,899.11

Finding the Fourth Proportional to 42,018.21, 57,984.93 and 22,899.11

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Solution

The fourth proportional to 42,018.21, 57,984.93 and 22,899.11 is: 31,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018.21 : 57,984.93 = 22,899.11 : x
  2. Step 2: Convert to fraction form
    42,018.21/57,984.93 = 22,899.11/x
  3. Step 3: Cross multiply
    42,018.21x = 57,984.93 × 22,899.11
  4. Step 4: Simplify right side
    42,018.21x = 1,327,803,000.49
  5. Step 5: Solve for x
    x = 1,327,803,000.49/42,018.21
  6. Step 6: Final answer
    x = 31,600.66

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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.