Home / 57,956.95-86,822.63-42,731.79

Finding the Fourth Proportional to 57,956.95, 86,822.63 and 42,731.79

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Solution

The fourth proportional to 57,956.95, 86,822.63 and 42,731.79 is: 64,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956.95 : 86,822.63 = 42,731.79 : x
  2. Step 2: Convert to fraction form
    57,956.95/86,822.63 = 42,731.79/x
  3. Step 3: Cross multiply
    57,956.95x = 86,822.63 × 42,731.79
  4. Step 4: Simplify right side
    57,956.95x = 3,710,085,744.64
  5. Step 5: Solve for x
    x = 3,710,085,744.64/57,956.95
  6. Step 6: Final answer
    x = 64,014.51

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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.