Home / 31,980.16-44,130.72-18,550.48

Finding the Fourth Proportional to 31,980.16, 44,130.72 and 18,550.48

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Solution

The fourth proportional to 31,980.16, 44,130.72 and 18,550.48 is: 25,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.16 : 44,130.72 = 18,550.48 : x
  2. Step 2: Convert to fraction form
    31,980.16/44,130.72 = 18,550.48/x
  3. Step 3: Cross multiply
    31,980.16x = 44,130.72 × 18,550.48
  4. Step 4: Simplify right side
    31,980.16x = 818,646,038.75
  5. Step 5: Solve for x
    x = 818,646,038.75/31,980.16
  6. Step 6: Final answer
    x = 25,598.56

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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.