Home / 38,631.57-58,210.60-31,765.40

Finding the Fourth Proportional to 38,631.57, 58,210.60 and 31,765.40

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Solution

The fourth proportional to 38,631.57, 58,210.60 and 31,765.40 is: 47,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631.57 : 58,210.60 = 31,765.40 : x
  2. Step 2: Convert to fraction form
    38,631.57/58,210.60 = 31,765.40/x
  3. Step 3: Cross multiply
    38,631.57x = 58,210.60 × 31,765.40
  4. Step 4: Simplify right side
    38,631.57x = 1,849,082,900.62
  5. Step 5: Solve for x
    x = 1,849,082,900.62/38,631.57
  6. Step 6: Final answer
    x = 47,864.56

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1.5x scale

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.