Home / 56,038.20-77,331.66-30,544.80

Finding the Fourth Proportional to 56,038.20, 77,331.66 and 30,544.80

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Solution

The fourth proportional to 56,038.20, 77,331.66 and 30,544.80 is: 42,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,038.20 : 77,331.66 = 30,544.80 : x
  2. Step 2: Convert to fraction form
    56,038.20/77,331.66 = 30,544.80/x
  3. Step 3: Cross multiply
    56,038.20x = 77,331.66 × 30,544.80
  4. Step 4: Simplify right side
    56,038.20x = 2,362,080,088.37
  5. Step 5: Solve for x
    x = 2,362,080,088.37/56,038.20
  6. Step 6: Final answer
    x = 42,151.25

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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.