Home / 40,148.86-55,409.52-23,153.74

Finding the Fourth Proportional to 40,148.86, 55,409.52 and 23,153.74

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Solution

The fourth proportional to 40,148.86, 55,409.52 and 23,153.74 is: 31,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.86 : 55,409.52 = 23,153.74 : x
  2. Step 2: Convert to fraction form
    40,148.86/55,409.52 = 23,153.74/x
  3. Step 3: Cross multiply
    40,148.86x = 55,409.52 × 23,153.74
  4. Step 4: Simplify right side
    40,148.86x = 1,282,937,619.60
  5. Step 5: Solve for x
    x = 1,282,937,619.60/40,148.86
  6. Step 6: Final answer
    x = 31,954.52

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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.