Home / 30,258.36-45,430.07-15,477.89

Finding the Fourth Proportional to 30,258.36, 45,430.07 and 15,477.89

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Solution

The fourth proportional to 30,258.36, 45,430.07 and 15,477.89 is: 23,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.36 : 45,430.07 = 15,477.89 : x
  2. Step 2: Convert to fraction form
    30,258.36/45,430.07 = 15,477.89/x
  3. Step 3: Cross multiply
    30,258.36x = 45,430.07 × 15,477.89
  4. Step 4: Simplify right side
    30,258.36x = 703,161,321.61
  5. Step 5: Solve for x
    x = 703,161,321.61/30,258.36
  6. Step 6: Final answer
    x = 23,238.58

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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.