Home / 56,525.58-78,000.39-31,031.87

Finding the Fourth Proportional to 56,525.58, 78,000.39 and 31,031.87

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Solution

The fourth proportional to 56,525.58, 78,000.39 and 31,031.87 is: 42,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.58 : 78,000.39 = 31,031.87 : x
  2. Step 2: Convert to fraction form
    56,525.58/78,000.39 = 31,031.87/x
  3. Step 3: Cross multiply
    56,525.58x = 78,000.39 × 31,031.87
  4. Step 4: Simplify right side
    56,525.58x = 2,420,497,572.43
  5. Step 5: Solve for x
    x = 2,420,497,572.43/56,525.58
  6. Step 6: Final answer
    x = 42,821.28

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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.