Home / 56,957.76-78,602.92-31,807.24

Finding the Fourth Proportional to 56,957.76, 78,602.92 and 31,807.24

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Solution

The fourth proportional to 56,957.76, 78,602.92 and 31,807.24 is: 43,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,957.76 : 78,602.92 = 31,807.24 : x
  2. Step 2: Convert to fraction form
    56,957.76/78,602.92 = 31,807.24/x
  3. Step 3: Cross multiply
    56,957.76x = 78,602.92 × 31,807.24
  4. Step 4: Simplify right side
    56,957.76x = 2,500,141,941.14
  5. Step 5: Solve for x
    x = 2,500,141,941.14/56,957.76
  6. Step 6: Final answer
    x = 43,894.67

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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.