Home / 55,950.21-77,212.27-30,457.31

Finding the Fourth Proportional to 55,950.21, 77,212.27 and 30,457.31

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Solution

The fourth proportional to 55,950.21, 77,212.27 and 30,457.31 is: 42,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.21 : 77,212.27 = 30,457.31 : x
  2. Step 2: Convert to fraction form
    55,950.21/77,212.27 = 30,457.31/x
  3. Step 3: Cross multiply
    55,950.21x = 77,212.27 × 30,457.31
  4. Step 4: Simplify right side
    55,950.21x = 2,351,677,695.20
  5. Step 5: Solve for x
    x = 2,351,677,695.20/55,950.21
  6. Step 6: Final answer
    x = 42,031.62

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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.