Home / 56,351.48-77,682.24-42,899.30

Finding the Fourth Proportional to 56,351.48, 77,682.24 and 42,899.30

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Solution

The fourth proportional to 56,351.48, 77,682.24 and 42,899.30 is: 59,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.48 : 77,682.24 = 42,899.30 : x
  2. Step 2: Convert to fraction form
    56,351.48/77,682.24 = 42,899.30/x
  3. Step 3: Cross multiply
    56,351.48x = 77,682.24 × 42,899.30
  4. Step 4: Simplify right side
    56,351.48x = 3,332,513,718.43
  5. Step 5: Solve for x
    x = 3,332,513,718.43/56,351.48
  6. Step 6: Final answer
    x = 59,138.00

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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.