Home / 30,266.93-45,407.69-9,490.43

Finding the Fourth Proportional to 30,266.93, 45,407.69 and 9,490.43

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Solution

The fourth proportional to 30,266.93, 45,407.69 and 9,490.43 is: 14,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.93 : 45,407.69 = 9,490.43 : x
  2. Step 2: Convert to fraction form
    30,266.93/45,407.69 = 9,490.43/x
  3. Step 3: Cross multiply
    30,266.93x = 45,407.69 × 9,490.43
  4. Step 4: Simplify right side
    30,266.93x = 430,938,228.92
  5. Step 5: Solve for x
    x = 430,938,228.92/30,266.93
  6. Step 6: Final answer
    x = 14,237.93

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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.