Home / 60,539.04-90,818.52-21,107.64

Finding the Fourth Proportional to 60,539.04, 90,818.52 and 21,107.64

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Solution

The fourth proportional to 60,539.04, 90,818.52 and 21,107.64 is: 31,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,539.04 : 90,818.52 = 21,107.64 : x
  2. Step 2: Convert to fraction form
    60,539.04/90,818.52 = 21,107.64/x
  3. Step 3: Cross multiply
    60,539.04x = 90,818.52 × 21,107.64
  4. Step 4: Simplify right side
    60,539.04x = 1,916,964,625.49
  5. Step 5: Solve for x
    x = 1,916,964,625.49/60,539.04
  6. Step 6: Final answer
    x = 31,664.93

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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.