Home / 30,191.16-45,283.86-9,403.32

Finding the Fourth Proportional to 30,191.16, 45,283.86 and 9,403.32

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Solution

The fourth proportional to 30,191.16, 45,283.86 and 9,403.32 is: 14,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.16 : 45,283.86 = 9,403.32 : x
  2. Step 2: Convert to fraction form
    30,191.16/45,283.86 = 9,403.32/x
  3. Step 3: Cross multiply
    30,191.16x = 45,283.86 × 9,403.32
  4. Step 4: Simplify right side
    30,191.16x = 425,818,626.42
  5. Step 5: Solve for x
    x = 425,818,626.42/30,191.16
  6. Step 6: Final answer
    x = 14,104.08

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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.