Home / 61,943.12-85,483.68-35,086.40

Finding the Fourth Proportional to 61,943.12, 85,483.68 and 35,086.40

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Solution

The fourth proportional to 61,943.12, 85,483.68 and 35,086.40 is: 48,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,943.12 : 85,483.68 = 35,086.40 : x
  2. Step 2: Convert to fraction form
    61,943.12/85,483.68 = 35,086.40/x
  3. Step 3: Cross multiply
    61,943.12x = 85,483.68 × 35,086.40
  4. Step 4: Simplify right side
    61,943.12x = 2,999,314,589.95
  5. Step 5: Solve for x
    x = 2,999,314,589.95/61,943.12
  6. Step 6: Final answer
    x = 48,420.46

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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.