Home / 57,800.76-86,718.63-40,966.35

Finding the Fourth Proportional to 57,800.76, 86,718.63 and 40,966.35

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Solution

The fourth proportional to 57,800.76, 86,718.63 and 40,966.35 is: 61,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.76 : 86,718.63 = 40,966.35 : x
  2. Step 2: Convert to fraction form
    57,800.76/86,718.63 = 40,966.35/x
  3. Step 3: Cross multiply
    57,800.76x = 86,718.63 × 40,966.35
  4. Step 4: Simplify right side
    57,800.76x = 3,552,545,748.10
  5. Step 5: Solve for x
    x = 3,552,545,748.10/57,800.76
  6. Step 6: Final answer
    x = 61,461.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.