Home / 56,817.34-78,406.49-31,323.12

Finding the Fourth Proportional to 56,817.34, 78,406.49 and 31,323.12

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Solution

The fourth proportional to 56,817.34, 78,406.49 and 31,323.12 is: 43,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.34 : 78,406.49 = 31,323.12 : x
  2. Step 2: Convert to fraction form
    56,817.34/78,406.49 = 31,323.12/x
  3. Step 3: Cross multiply
    56,817.34x = 78,406.49 × 31,323.12
  4. Step 4: Simplify right side
    56,817.34x = 2,455,935,973.36
  5. Step 5: Solve for x
    x = 2,455,935,973.36/56,817.34
  6. Step 6: Final answer
    x = 43,225.11

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1.5x scale

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.