Home / 58,139.23-80,177.01-38,013.37

Finding the Fourth Proportional to 58,139.23, 80,177.01 and 38,013.37

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Solution

The fourth proportional to 58,139.23, 80,177.01 and 38,013.37 is: 52,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,139.23 : 80,177.01 = 38,013.37 : x
  2. Step 2: Convert to fraction form
    58,139.23/80,177.01 = 38,013.37/x
  3. Step 3: Cross multiply
    58,139.23x = 80,177.01 × 38,013.37
  4. Step 4: Simplify right side
    58,139.23x = 3,047,798,346.62
  5. Step 5: Solve for x
    x = 3,047,798,346.62/58,139.23
  6. Step 6: Final answer
    x = 52,422.41

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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.