Home / 59,638.77-82,284.93-39,489.21

Finding the Fourth Proportional to 59,638.77, 82,284.93 and 39,489.21

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Solution

The fourth proportional to 59,638.77, 82,284.93 and 39,489.21 is: 54,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,638.77 : 82,284.93 = 39,489.21 : x
  2. Step 2: Convert to fraction form
    59,638.77/82,284.93 = 39,489.21/x
  3. Step 3: Cross multiply
    59,638.77x = 82,284.93 × 39,489.21
  4. Step 4: Simplify right side
    59,638.77x = 3,249,366,880.61
  5. Step 5: Solve for x
    x = 3,249,366,880.61/59,638.77
  6. Step 6: Final answer
    x = 54,484.14

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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.