Home / 31,477.02-43,440.74-17,332.39

Finding the Fourth Proportional to 31,477.02, 43,440.74 and 17,332.39

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Solution

The fourth proportional to 31,477.02, 43,440.74 and 17,332.39 is: 23,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.02 : 43,440.74 = 17,332.39 : x
  2. Step 2: Convert to fraction form
    31,477.02/43,440.74 = 17,332.39/x
  3. Step 3: Cross multiply
    31,477.02x = 43,440.74 × 17,332.39
  4. Step 4: Simplify right side
    31,477.02x = 752,931,847.57
  5. Step 5: Solve for x
    x = 752,931,847.57/31,477.02
  6. Step 6: Final answer
    x = 23,920.05

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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.