Home / 74,312.29-111,501.47-30,025.54

Finding the Fourth Proportional to 74,312.29, 111,501.47 and 30,025.54

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Solution

The fourth proportional to 74,312.29, 111,501.47 and 30,025.54 is: 45,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312.29 : 111,501.47 = 30,025.54 : x
  2. Step 2: Convert to fraction form
    74,312.29/111,501.47 = 30,025.54/x
  3. Step 3: Cross multiply
    74,312.29x = 111,501.47 × 30,025.54
  4. Step 4: Simplify right side
    74,312.29x = 3,347,891,847.54
  5. Step 5: Solve for x
    x = 3,347,891,847.54/74,312.29
  6. Step 6: Final answer
    x = 45,051.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.