Home / 56,849.79-78,451.63-31,358.53

Finding the Fourth Proportional to 56,849.79, 78,451.63 and 31,358.53

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Solution

The fourth proportional to 56,849.79, 78,451.63 and 31,358.53 is: 43,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.79 : 78,451.63 = 31,358.53 : x
  2. Step 2: Convert to fraction form
    56,849.79/78,451.63 = 31,358.53/x
  3. Step 3: Cross multiply
    56,849.79x = 78,451.63 × 31,358.53
  4. Step 4: Simplify right side
    56,849.79x = 2,460,127,792.90
  5. Step 5: Solve for x
    x = 2,460,127,792.90/56,849.79
  6. Step 6: Final answer
    x = 43,274.18

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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.