Home / 55,281.65-76,287.83-31,082.63

Finding the Fourth Proportional to 55,281.65, 76,287.83 and 31,082.63

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Solution

The fourth proportional to 55,281.65, 76,287.83 and 31,082.63 is: 42,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.65 : 76,287.83 = 31,082.63 : x
  2. Step 2: Convert to fraction form
    55,281.65/76,287.83 = 31,082.63/x
  3. Step 3: Cross multiply
    55,281.65x = 76,287.83 × 31,082.63
  4. Step 4: Simplify right side
    55,281.65x = 2,371,226,372.19
  5. Step 5: Solve for x
    x = 2,371,226,372.19/55,281.65
  6. Step 6: Final answer
    x = 42,893.56

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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.