Home / 55,330.04-76,355.46-31,458.17

Finding the Fourth Proportional to 55,330.04, 76,355.46 and 31,458.17

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Solution

The fourth proportional to 55,330.04, 76,355.46 and 31,458.17 is: 43,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.04 : 76,355.46 = 31,458.17 : x
  2. Step 2: Convert to fraction form
    55,330.04/76,355.46 = 31,458.17/x
  3. Step 3: Cross multiply
    55,330.04x = 76,355.46 × 31,458.17
  4. Step 4: Simplify right side
    55,330.04x = 2,402,003,232.00
  5. Step 5: Solve for x
    x = 2,402,003,232.00/55,330.04
  6. Step 6: Final answer
    x = 43,412.28

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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.