Home / 56,057.74-77,358.72-30,564.30

Finding the Fourth Proportional to 56,057.74, 77,358.72 and 30,564.30

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Solution

The fourth proportional to 56,057.74, 77,358.72 and 30,564.30 is: 42,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.74 : 77,358.72 = 30,564.30 : x
  2. Step 2: Convert to fraction form
    56,057.74/77,358.72 = 30,564.30/x
  3. Step 3: Cross multiply
    56,057.74x = 77,358.72 × 30,564.30
  4. Step 4: Simplify right side
    56,057.74x = 2,364,415,125.70
  5. Step 5: Solve for x
    x = 2,364,415,125.70/56,057.74
  6. Step 6: Final answer
    x = 42,178.21

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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.