Home / 55,437.71-76,504.12-31,564.40

Finding the Fourth Proportional to 55,437.71, 76,504.12 and 31,564.40

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Solution

The fourth proportional to 55,437.71, 76,504.12 and 31,564.40 is: 43,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.71 : 76,504.12 = 31,564.40 : x
  2. Step 2: Convert to fraction form
    55,437.71/76,504.12 = 31,564.40/x
  3. Step 3: Cross multiply
    55,437.71x = 76,504.12 × 31,564.40
  4. Step 4: Simplify right side
    55,437.71x = 2,414,806,454.07
  5. Step 5: Solve for x
    x = 2,414,806,454.07/55,437.71
  6. Step 6: Final answer
    x = 43,558.91

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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.