Home / 56,401.40-77,857.95-38,008.55

Finding the Fourth Proportional to 56,401.40, 77,857.95 and 38,008.55

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Solution

The fourth proportional to 56,401.40, 77,857.95 and 38,008.55 is: 52,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.40 : 77,857.95 = 38,008.55 : x
  2. Step 2: Convert to fraction form
    56,401.40/77,857.95 = 38,008.55/x
  3. Step 3: Cross multiply
    56,401.40x = 77,857.95 × 38,008.55
  4. Step 4: Simplify right side
    56,401.40x = 2,959,267,206.14
  5. Step 5: Solve for x
    x = 2,959,267,206.14/56,401.40
  6. Step 6: Final answer
    x = 52,467.97

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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.