Home / 61,276.28-84,600.45-40,887.50

Finding the Fourth Proportional to 61,276.28, 84,600.45 and 40,887.50

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Solution

The fourth proportional to 61,276.28, 84,600.45 and 40,887.50 is: 56,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,276.28 : 84,600.45 = 40,887.50 : x
  2. Step 2: Convert to fraction form
    61,276.28/84,600.45 = 40,887.50/x
  3. Step 3: Cross multiply
    61,276.28x = 84,600.45 × 40,887.50
  4. Step 4: Simplify right side
    61,276.28x = 3,459,100,476.37
  5. Step 5: Solve for x
    x = 3,459,100,476.37/61,276.28
  6. Step 6: Final answer
    x = 56,450.89

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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.