Home / 56,852.21-78,455.05-31,360.91

Finding the Fourth Proportional to 56,852.21, 78,455.05 and 31,360.91

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Solution

The fourth proportional to 56,852.21, 78,455.05 and 31,360.91 is: 43,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.21 : 78,455.05 = 31,360.91 : x
  2. Step 2: Convert to fraction form
    56,852.21/78,455.05 = 31,360.91/x
  3. Step 3: Cross multiply
    56,852.21x = 78,455.05 × 31,360.91
  4. Step 4: Simplify right side
    56,852.21x = 2,460,421,291.42
  5. Step 5: Solve for x
    x = 2,460,421,291.42/56,852.21
  6. Step 6: Final answer
    x = 43,277.49

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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.