Home / 30,035.28-45,050.40-9,258.96

Finding the Fourth Proportional to 30,035.28, 45,050.40 and 9,258.96

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Solution

The fourth proportional to 30,035.28, 45,050.40 and 9,258.96 is: 13,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.28 : 45,050.40 = 9,258.96 : x
  2. Step 2: Convert to fraction form
    30,035.28/45,050.40 = 9,258.96/x
  3. Step 3: Cross multiply
    30,035.28x = 45,050.40 × 9,258.96
  4. Step 4: Simplify right side
    30,035.28x = 417,119,851.58
  5. Step 5: Solve for x
    x = 417,119,851.58/30,035.28
  6. Step 6: Final answer
    x = 13,887.66

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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.