Home / 59,720.90-82,407.93-40,885.70

Finding the Fourth Proportional to 59,720.90, 82,407.93 and 40,885.70

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Solution

The fourth proportional to 59,720.90, 82,407.93 and 40,885.70 is: 56,417.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.90 : 82,407.93 = 40,885.70 : x
  2. Step 2: Convert to fraction form
    59,720.90/82,407.93 = 40,885.70/x
  3. Step 3: Cross multiply
    59,720.90x = 82,407.93 × 40,885.70
  4. Step 4: Simplify right side
    59,720.90x = 3,369,305,903.60
  5. Step 5: Solve for x
    x = 3,369,305,903.60/59,720.90
  6. Step 6: Final answer
    x = 56,417.53

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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.