Home / 38,642.85-58,271.74-38,115.92

Finding the Fourth Proportional to 38,642.85, 58,271.74 and 38,115.92

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Solution

The fourth proportional to 38,642.85, 58,271.74 and 38,115.92 is: 57,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.85 : 58,271.74 = 38,115.92 : x
  2. Step 2: Convert to fraction form
    38,642.85/58,271.74 = 38,115.92/x
  3. Step 3: Cross multiply
    38,642.85x = 58,271.74 × 38,115.92
  4. Step 4: Simplify right side
    38,642.85x = 2,221,081,030.49
  5. Step 5: Solve for x
    x = 2,221,081,030.49/38,642.85
  6. Step 6: Final answer
    x = 57,477.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.