Home / 29,325.47-40,437.05-21,785.79

Finding the Fourth Proportional to 29,325.47, 40,437.05 and 21,785.79

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Solution

The fourth proportional to 29,325.47, 40,437.05 and 21,785.79 is: 30,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.47 : 40,437.05 = 21,785.79 : x
  2. Step 2: Convert to fraction form
    29,325.47/40,437.05 = 21,785.79/x
  3. Step 3: Cross multiply
    29,325.47x = 40,437.05 × 21,785.79
  4. Step 4: Simplify right side
    29,325.47x = 880,952,951.19
  5. Step 5: Solve for x
    x = 880,952,951.19/29,325.47
  6. Step 6: Final answer
    x = 30,040.54

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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.