Home / 55,950.05-77,212.96-30,457.35

Finding the Fourth Proportional to 55,950.05, 77,212.96 and 30,457.35

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Solution

The fourth proportional to 55,950.05, 77,212.96 and 30,457.35 is: 42,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.05 : 77,212.96 = 30,457.35 : x
  2. Step 2: Convert to fraction form
    55,950.05/77,212.96 = 30,457.35/x
  3. Step 3: Cross multiply
    55,950.05x = 77,212.96 × 30,457.35
  4. Step 4: Simplify right side
    55,950.05x = 2,351,702,071.11
  5. Step 5: Solve for x
    x = 2,351,702,071.11/55,950.05
  6. Step 6: Final answer
    x = 42,032.17

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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.