Home / 54,430.19-75,113.60-30,556.91

Finding the Fourth Proportional to 54,430.19, 75,113.60 and 30,556.91

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Solution

The fourth proportional to 54,430.19, 75,113.60 and 30,556.91 is: 42,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.19 : 75,113.60 = 30,556.91 : x
  2. Step 2: Convert to fraction form
    54,430.19/75,113.60 = 30,556.91/x
  3. Step 3: Cross multiply
    54,430.19x = 75,113.60 × 30,556.91
  4. Step 4: Simplify right side
    54,430.19x = 2,295,239,101.21
  5. Step 5: Solve for x
    x = 2,295,239,101.21/54,430.19
  6. Step 6: Final answer
    x = 42,168.50

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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.