Home / 60,448.25-90,688.77-21,007.55

Finding the Fourth Proportional to 60,448.25, 90,688.77 and 21,007.55

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Solution

The fourth proportional to 60,448.25, 90,688.77 and 21,007.55 is: 31,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.25 : 90,688.77 = 21,007.55 : x
  2. Step 2: Convert to fraction form
    60,448.25/90,688.77 = 21,007.55/x
  3. Step 3: Cross multiply
    60,448.25x = 90,688.77 × 21,007.55
  4. Step 4: Simplify right side
    60,448.25x = 1,905,148,416.77
  5. Step 5: Solve for x
    x = 1,905,148,416.77/60,448.25
  6. Step 6: Final answer
    x = 31,517.02

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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.