Home / 56,438.42-84,583.34-31,490.22

Finding the Fourth Proportional to 56,438.42, 84,583.34 and 31,490.22

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Solution

The fourth proportional to 56,438.42, 84,583.34 and 31,490.22 is: 47,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.42 : 84,583.34 = 31,490.22 : x
  2. Step 2: Convert to fraction form
    56,438.42/84,583.34 = 31,490.22/x
  3. Step 3: Cross multiply
    56,438.42x = 84,583.34 × 31,490.22
  4. Step 4: Simplify right side
    56,438.42x = 2,663,547,984.93
  5. Step 5: Solve for x
    x = 2,663,547,984.93/56,438.42
  6. Step 6: Final answer
    x = 47,193.88

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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.