Home / 65,422.94-98,135.02-18,038.85

Finding the Fourth Proportional to 65,422.94, 98,135.02 and 18,038.85

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Solution

The fourth proportional to 65,422.94, 98,135.02 and 18,038.85 is: 27,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,422.94 : 98,135.02 = 18,038.85 : x
  2. Step 2: Convert to fraction form
    65,422.94/98,135.02 = 18,038.85/x
  3. Step 3: Cross multiply
    65,422.94x = 98,135.02 × 18,038.85
  4. Step 4: Simplify right side
    65,422.94x = 1,770,243,061.34
  5. Step 5: Solve for x
    x = 1,770,243,061.34/65,422.94
  6. Step 6: Final answer
    x = 27,058.45

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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.