Home / 58,837-81,139.18-38,710.96

Finding the Fourth Proportional to 58,837, 81,139.18 and 38,710.96

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Solution

The fourth proportional to 58,837, 81,139.18 and 38,710.96 is: 53,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,837 : 81,139.18 = 38,710.96 : x
  2. Step 2: Convert to fraction form
    58,837/81,139.18 = 38,710.96/x
  3. Step 3: Cross multiply
    58,837x = 81,139.18 × 38,710.96
  4. Step 4: Simplify right side
    58,837x = 3,140,975,551.41
  5. Step 5: Solve for x
    x = 3,140,975,551.41/58,837
  6. Step 6: Final answer
    x = 53,384.36

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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.