Home / 45,484.84-62,718.92-31,147.03

Finding the Fourth Proportional to 45,484.84, 62,718.92 and 31,147.03

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Solution

The fourth proportional to 45,484.84, 62,718.92 and 31,147.03 is: 42,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,484.84 : 62,718.92 = 31,147.03 : x
  2. Step 2: Convert to fraction form
    45,484.84/62,718.92 = 31,147.03/x
  3. Step 3: Cross multiply
    45,484.84x = 62,718.92 × 31,147.03
  4. Step 4: Simplify right side
    45,484.84x = 1,953,507,769.21
  5. Step 5: Solve for x
    x = 1,953,507,769.21/45,484.84
  6. Step 6: Final answer
    x = 42,948.55

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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.