Home / 60,724.60-91,068.18-21,274.36

Finding the Fourth Proportional to 60,724.60, 91,068.18 and 21,274.36

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Solution

The fourth proportional to 60,724.60, 91,068.18 and 21,274.36 is: 31,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,724.60 : 91,068.18 = 21,274.36 : x
  2. Step 2: Convert to fraction form
    60,724.60/91,068.18 = 21,274.36/x
  3. Step 3: Cross multiply
    60,724.60x = 91,068.18 × 21,274.36
  4. Step 4: Simplify right side
    60,724.60x = 1,937,417,245.86
  5. Step 5: Solve for x
    x = 1,937,417,245.86/60,724.60
  6. Step 6: Final answer
    x = 31,904.98

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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.